diff --git a/js/common/view/EquationAccordionBox.js b/js/common/view/EquationAccordionBox.js
index a1204d56..5e792851 100644
--- a/js/common/view/EquationAccordionBox.js
+++ b/js/common/view/EquationAccordionBox.js
@@ -15,6 +15,7 @@ define( require => {
   const graphingQuadratics = require( 'GRAPHING_QUADRATICS/graphingQuadratics' );
   const HSeparator = require( 'SUN/HSeparator' );
   const SaveCurveControls = require( 'GRAPHING_QUADRATICS/common/view/SaveCurveControls' );
+  const Tandem = require( 'TANDEM/Tandem' );
   const VBox = require( 'SCENERY/nodes/VBox' );
 
   class EquationAccordionBox extends AccordionBox {
@@ -24,16 +25,20 @@ define( require => {
      * @param {BooleanProperty} expandedProperty
      * @param {Node} titleNode
      * @param {Node} interactiveEquationNode
-     * @param {Tandem} tandem
+     * @param {Object} [options]
      * @abstract
      */
-    constructor( model, expandedProperty, titleNode, interactiveEquationNode, tandem ) {
+    constructor( model, expandedProperty, titleNode, interactiveEquationNode, options ) {
 
-      const options = _.extend( {
-        expandedProperty: expandedProperty,
-        titleNode: titleNode,
-        tandem: tandem
-      }, GQConstants.ACCORDION_BOX_OPTIONS );
+      options = _.extend( {
+        tandem: Tandem.required
+      }, GQConstants.ACCORDION_BOX_OPTIONS, options );
+
+      assert && assert( !options.expandedProperty, 'EquationAccordionBox sets expandedProperty' );
+      options.expandedProperty = expandedProperty;
+
+      assert && assert( !options.titleNode, 'EquationAccordionBox sets titleNode' );
+      options.titleNode = titleNode;
 
       const saveCurveControls = new SaveCurveControls(
         model.saveQuadratic.bind( model ), model.eraseQuadratics.bind( model ), model.savedQuadratics.lengthProperty );
diff --git a/js/common/view/GQScreenView.js b/js/common/view/GQScreenView.js
index de746d58..5598779a 100644
--- a/js/common/view/GQScreenView.js
+++ b/js/common/view/GQScreenView.js
@@ -17,6 +17,7 @@ define( require => {
   const PointToolNode = require( 'GRAPHING_QUADRATICS/common/view/PointToolNode' );
   const ResetAllButton = require( 'SCENERY_PHET/buttons/ResetAllButton' );
   const ScreenView = require( 'JOIST/ScreenView' );
+  const Tandem = require( 'TANDEM/Tandem' );
   const VBox = require( 'SCENERY/nodes/VBox' );
 
   // constants
@@ -30,14 +31,16 @@ define( require => {
      * @param {Node} graphNode
      * @param {Node} equationControls
      * @param {Node} graphControls
-     * @param {Tandem} tandem
+     * @param {Object} options
      */
-    constructor( model, viewProperties, graphNode, equationControls, graphControls, tandem ) {
+    constructor( model, viewProperties, graphNode, equationControls, graphControls, options ) {
 
-      super( {
+      options = _.extend( {
         layoutBounds: GQConstants.SCREEN_VIEW_LAYOUT_BOUNDS,
-        tandem: tandem
-      } );
+        tandem: Tandem.required
+      }, options );
+
+      super( options );
 
       // Point tools moveToFront when dragged, so give them a common parent to preserve rendering order.
       const pointToolsParent = new Node();
diff --git a/js/common/view/GQViewProperties.js b/js/common/view/GQViewProperties.js
index 50f019a1..ae0e53e0 100644
--- a/js/common/view/GQViewProperties.js
+++ b/js/common/view/GQViewProperties.js
@@ -12,21 +12,22 @@ define( require => {
   const BooleanProperty = require( 'AXON/BooleanProperty' );
   const GQConstants = require( 'GRAPHING_QUADRATICS/common/GQConstants' );
   const graphingQuadratics = require( 'GRAPHING_QUADRATICS/graphingQuadratics' );
+  const Tandem = require( 'TANDEM/Tandem' );
 
   /**
-   * @param {Tandem} tandem
    * @param {Object} [options]
    */
   class GQViewProperties {
 
-    constructor( tandem, options ) {
+    constructor( options ) {
 
       options = _.extend( {
         equationForm: 'standard', // see GQConstants.EQUATION_FORMS
         graphContentsVisible: true,
         equationsVisible: true,
         coordinatesVisible: true,
-        equationAccordionBoxExpanded: true
+        equationAccordionBoxExpanded: true,
+        tandem: Tandem.required
       }, options );
 
       assert && assert( GQConstants.EQUATION_FORMS.includes( options.equationForm ),
@@ -37,25 +38,25 @@ define( require => {
 
       // @public
       this.graphContentsVisibleProperty = new BooleanProperty( options.graphContentsVisible, {
-        tandem: tandem.createTandem( 'graphContentsVisibleProperty' ),
+        tandem: options.tandem.createTandem( 'graphContentsVisibleProperty' ),
         phetioInstanceDocumentation: 'whether the contents of the graph are visible'
       } );
 
       // @public
       this.equationsVisibleProperty = new BooleanProperty( options.equationsVisible, {
-        tandem: tandem.createTandem( 'equationsVisibleProperty' ),
+        tandem: options.tandem.createTandem( 'equationsVisibleProperty' ),
         phetioInstanceDocumentation: 'whether equations are visible on the graphed lines'
       } );
 
       // @public
       this.coordinatesVisibleProperty = new BooleanProperty( options.coordinatesVisible, {
-        tandem: tandem.createTandem( 'coordinatesVisibleProperty' ),
+        tandem: options.tandem.createTandem( 'coordinatesVisibleProperty' ),
         phetioInstanceDocumentation: 'whether coordinates are visible on points and manipulators'
       } );
 
       // @public
       this.equationAccordionBoxExpandedProperty = new BooleanProperty( options.equationAccordionBoxExpanded, {
-        tandem: tandem.createTandem( 'equationAccordionBoxExpandedProperty' ),
+        tandem: options.tandem.createTandem( 'equationAccordionBoxExpandedProperty' ),
         phetioInstanceDocumentation: 'whether the equation accordion box is expanded'
       } );
     }
diff --git a/js/explore/view/ExploreAccordionBox.js b/js/explore/view/ExploreAccordionBox.js
index d4503781..d30c06f1 100644
--- a/js/explore/view/ExploreAccordionBox.js
+++ b/js/explore/view/ExploreAccordionBox.js
@@ -13,22 +13,27 @@ define( require => {
   const ExploreInteractiveEquationNode = require( 'GRAPHING_QUADRATICS/explore/view/ExploreInteractiveEquationNode' );
   const graphingQuadratics = require( 'GRAPHING_QUADRATICS/graphingQuadratics' );
   const StandardFormEquationNode = require( 'GRAPHING_QUADRATICS/standardform/view/StandardFormEquationNode' );
+  const Tandem = require( 'TANDEM/Tandem' );
 
   class ExploreAccordionBox extends EquationAccordionBox {
 
     /**
      * @param {ExploreModel} model
      * @param {BooleanProperty} expandedProperty
-     * @param {Tandem} tandem
+     * @param {Object} [options]
      */
-    constructor( model, expandedProperty, tandem ) {
+    constructor( model, expandedProperty, options ) {
+
+      options = _.extend( {
+        tandem: Tandem.required
+      }, options );
 
       const titleNode = new StandardFormEquationNode();
 
       const interactiveEquationNode = new ExploreInteractiveEquationNode(
         model.quadraticProperty, model.aRange, model.bRange, model.cRange );
 
-      super( model, expandedProperty, titleNode, interactiveEquationNode, tandem );
+      super( model, expandedProperty, titleNode, interactiveEquationNode, options );
     }
   }
 
diff --git a/js/explore/view/ExploreScreenView.js b/js/explore/view/ExploreScreenView.js
index ad1a7395..4e1475de 100644
--- a/js/explore/view/ExploreScreenView.js
+++ b/js/explore/view/ExploreScreenView.js
@@ -24,14 +24,24 @@ define( require => {
      */
     constructor( model, tandem ) {
 
-      const viewProperties = new ExploreViewProperties( tandem.createTandem( 'viewProperties') );
+      const options = {
+        tandem: tandem
+      };
+
+      const viewProperties = new ExploreViewProperties( {
+        tandem: tandem.createTandem( 'viewProperties' )
+      } );
 
       super( model,
         viewProperties,
         new ExploreGraphNode( model, viewProperties ),
-        new ExploreAccordionBox( model, viewProperties.equationAccordionBoxExpandedProperty, tandem.createTandem( 'equationAccordionBox') ),
-        new QuadraticTermsAccordionBox( viewProperties, tandem.createTandem( 'quadraticTermsAccordionBox') ),
-        tandem
+        new ExploreAccordionBox( model, viewProperties.equationAccordionBoxExpandedProperty, {
+          tandem: tandem.createTandem( 'equationAccordionBox' )
+        } ),
+        new QuadraticTermsAccordionBox( viewProperties, {
+          tandem: tandem.createTandem( 'quadraticTermsAccordionBox' )
+        } ),
+        options
       );
     }
   }
diff --git a/js/explore/view/ExploreViewProperties.js b/js/explore/view/ExploreViewProperties.js
index f2cafb9b..7ede832c 100644
--- a/js/explore/view/ExploreViewProperties.js
+++ b/js/explore/view/ExploreViewProperties.js
@@ -13,38 +13,43 @@ define( require => {
   const graphingQuadratics = require( 'GRAPHING_QUADRATICS/graphingQuadratics' );
   const GQQueryParameters = require( 'GRAPHING_QUADRATICS/common/GQQueryParameters' );
   const GQViewProperties = require( 'GRAPHING_QUADRATICS/common/view/GQViewProperties' );
+  const Tandem = require( 'TANDEM/Tandem' );
 
   class ExploreViewProperties extends GQViewProperties {
 
     /**
-     * @param {Tandem} tandem
+     * @param {Object} options
      */
-    constructor( tandem ) {
+    constructor( options ) {
 
-      super( tandem );
+      options = _.extend( {
+        tandem: Tandem.required
+      }, options );
+
+      super( options );
 
       // @public
       this.quadraticTermsAccordionBoxExpandedProperty = new BooleanProperty( true, {
-        tandem: tandem.createTandem( 'quadraticTermsAccordionBoxExpandedProperty' ),
-        phetioDocumentation: 'whether the quadratic terms accordion box is expanded'
+        tandem: options.tandem.createTandem( 'quadraticTermsAccordionBoxExpandedProperty' ),
+        phetioDocumentation: 'whether the Quadratic Terms accordion box is expanded'
       } );
 
       // @public
       this.quadraticTermVisibleProperty = new BooleanProperty( GQQueryParameters.checkAll, {
-        tandem: tandem.createTandem( 'quadraticTermVisibleProperty' ),
-        phetioDocumentation: 'whether the quadratic term, y = ax^2, is visible'
+        tandem: options.tandem.createTandem( 'quadraticTermVisibleProperty' ),
+        phetioDocumentation: 'whether the quadratic term (y = ax^2) is visible'
       } );
 
       // @public
       this.linearTermVisibleProperty = new BooleanProperty( GQQueryParameters.checkAll, {
-        tandem: tandem.createTandem( 'linearTermVisibleProperty' ),
-        phetioDocumentation: 'whether the linear term, y = bx, is visible'
+        tandem: options.tandem.createTandem( 'linearTermVisibleProperty' ),
+        phetioDocumentation: 'whether the linear term (y = bx) is visible'
       } );
 
       // @public
       this.constantTermVisibleProperty = new BooleanProperty( GQQueryParameters.checkAll, {
-        tandem: tandem.createTandem( 'constantTermVisibleProperty' ),
-        phetioDocumentation: 'whether the constant term, y = c, is visible'
+        tandem: options.tandem.createTandem( 'constantTermVisibleProperty' ),
+        phetioDocumentation: 'whether the constant term (y = c) is visible'
       } );
     }
 
diff --git a/js/explore/view/QuadraticTermsAccordionBox.js b/js/explore/view/QuadraticTermsAccordionBox.js
index 0f7c7b46..ae69e785 100644
--- a/js/explore/view/QuadraticTermsAccordionBox.js
+++ b/js/explore/view/QuadraticTermsAccordionBox.js
@@ -20,6 +20,7 @@ define( require => {
   const PhetFont = require( 'SCENERY_PHET/PhetFont' );
   const RichText = require( 'SCENERY/nodes/RichText' );
   const StringUtils = require( 'PHETCOMMON/util/StringUtils' );
+  const Tandem = require( 'TANDEM/Tandem' );
   const Text = require( 'SCENERY/nodes/Text' );
   const VBox = require( 'SCENERY/nodes/VBox' );
 
@@ -33,15 +34,15 @@ define( require => {
 
     /**
      * @param {ExploreViewProperties} viewProperties
-     * @param {Tandem} tandem
      * @param {Object} [options]
      */
-    constructor( viewProperties, tandem, options ) {
+    constructor( viewProperties, options ) {
 
       options = _.extend( {
         expandedProperty: viewProperties.quadraticTermsAccordionBoxExpandedProperty,
         titleAlignX: 'left',
-        titleXSpacing: 8
+        titleXSpacing: 8,
+        tandem: Tandem.required
       }, GQConstants.ACCORDION_BOX_OPTIONS, options );
 
       assert && assert( !options.titleNode, 'QuadraticTermsAccordionBox sets titleNode' );
@@ -61,8 +62,8 @@ define( require => {
         fill: GQColors.QUADRATIC_TERM
       } );
       const quadraticTermCheckbox = new Checkbox( quadraticTermLabel, viewProperties.quadraticTermVisibleProperty, {
-        tandem: tandem.createTandem( 'quadraticTermCheckbox' ),
-        phetioDocumentation: 'checkbox that makes the quadratic term visible'
+        tandem: options.tandem.createTandem( 'quadraticTermCheckbox' ),
+        phetioDocumentation: 'checkbox that makes the quadratic term (y = ax^2) visible'
       } );
 
       // y = bx
@@ -76,8 +77,8 @@ define( require => {
         fill: GQColors.LINEAR_TERM
       } );
       const linearTermCheckbox = new Checkbox( linearTermLabel, viewProperties.linearTermVisibleProperty, {
-        tandem: tandem.createTandem( 'linearTermCheckbox' ),
-        phetioDocumentation: 'checkbox that makes the linear term visible'
+        tandem: options.tandem.createTandem( 'linearTermCheckbox' ),
+        phetioDocumentation: 'checkbox that makes the linear term (y = bx) visible'
       } );
 
       // y = c
@@ -90,8 +91,8 @@ define( require => {
         fill: GQColors.CONSTANT_TERM
       } );
       const constantTermCheckbox = new Checkbox( constantTermLabel, viewProperties.constantTermVisibleProperty, {
-        tandem: tandem.createTandem( 'constantTermCheckbox' ),
-        phetioDocumentation: 'checkbox that makes the constant term visible'
+        tandem: options.tandem.createTandem( 'constantTermCheckbox' ),
+        phetioDocumentation: 'checkbox that makes the constant term (y = c) visible'
       } );
 
       // vertical layout
diff --git a/js/focusanddirectrix/view/FocusAndDirectrixAccordionBox.js b/js/focusanddirectrix/view/FocusAndDirectrixAccordionBox.js
index 0ca5477b..a6254850 100644
--- a/js/focusanddirectrix/view/FocusAndDirectrixAccordionBox.js
+++ b/js/focusanddirectrix/view/FocusAndDirectrixAccordionBox.js
@@ -13,6 +13,7 @@ define( require => {
   const FocusAndDirectrixEquationNode = require( 'GRAPHING_QUADRATICS/focusanddirectrix/view/FocusAndDirectrixEquationNode' );
   const FocusAndDirectrixInteractiveEquationNode = require( 'GRAPHING_QUADRATICS/focusanddirectrix/view/FocusAndDirectrixInteractiveEquationNode' );
   const graphingQuadratics = require( 'GRAPHING_QUADRATICS/graphingQuadratics' );
+  const Tandem = require( 'TANDEM/Tandem' );
 
   class FocusAndDirectrixAccordionBox extends EquationAccordionBox {
 
@@ -23,6 +24,10 @@ define( require => {
      */
     constructor( model, expandedProperty, options ) {
 
+      options = _.extend( {
+        tandem: Tandem.required
+      }, options );
+
       const titleNode = new FocusAndDirectrixEquationNode();
 
       const interactiveEquationNode = new FocusAndDirectrixInteractiveEquationNode(
diff --git a/js/focusanddirectrix/view/FocusAndDirectrixGraphControls.js b/js/focusanddirectrix/view/FocusAndDirectrixGraphControls.js
index 71b8e62e..5e4f42a5 100644
--- a/js/focusanddirectrix/view/FocusAndDirectrixGraphControls.js
+++ b/js/focusanddirectrix/view/FocusAndDirectrixGraphControls.js
@@ -16,6 +16,7 @@ define( require => {
   const graphingQuadratics = require( 'GRAPHING_QUADRATICS/graphingQuadratics' );
   const Panel = require( 'SUN/Panel' );
   const PointOnQuadraticCheckbox = require( 'GRAPHING_QUADRATICS/focusanddirectrix/view/PointOnQuadraticCheckbox' );
+  const Tandem = require( 'TANDEM/Tandem' );
   const VBox = require( 'SCENERY/nodes/VBox' );
   const VertexCheckbox = require( 'GRAPHING_QUADRATICS/common/view/VertexCheckbox' );
 
@@ -23,30 +24,30 @@ define( require => {
 
     /**
      * @param {GQViewProperties} viewProperties
-     * @param {Tandem} tandem
+     * @param {Object} [options]
      */
-    constructor( viewProperties, tandem ) {
+    constructor( viewProperties, options ) {
 
-      const options = _.extend( {
-        tandem: tandem
-      }, GQConstants.PANEL_OPTIONS );
+      options = _.extend( {
+        tandem: Tandem.required
+      }, GQConstants.PANEL_OPTIONS, options );
 
       // checkboxes
       const vertexCheckbox = new VertexCheckbox( viewProperties.vertexVisibleProperty, {
         manipulatorIcon: true,
-        tandem: tandem.createTandem( 'vertexCheckbox' )
+        tandem: options.tandem.createTandem( 'vertexCheckbox' )
       } );
       const focusCheckbox = new FocusCheckbox( viewProperties.focusVisibleProperty, {
-        tandem: tandem.createTandem( 'focusCheckbox' )
+        tandem: options.tandem.createTandem( 'focusCheckbox' )
       } );
       const directrixCheckbox = new DirectrixCheckbox( viewProperties.directrixVisibleProperty, {
-        tandem: tandem.createTandem( 'directrixCheckbox' )
+        tandem: options.tandem.createTandem( 'directrixCheckbox' )
       } );
       const pointOnQuadraticCheckbox = new PointOnQuadraticCheckbox( viewProperties.pointOnQuadraticVisibleProperty, {
-        tandem: tandem.createTandem( 'pointOnQuadraticCheckbox' )
+        tandem: options.tandem.createTandem( 'pointOnQuadraticCheckbox' )
       } );
       const coordinatesCheckbox = new CoordinatesCheckbox( viewProperties.coordinatesVisibleProperty, {
-        tandem: tandem.createTandem( 'coordinatesCheckbox' )
+        tandem: options.tandem.createTandem( 'coordinatesCheckbox' )
       } );
 
       // vertical layout
diff --git a/js/focusanddirectrix/view/FocusAndDirectrixScreenView.js b/js/focusanddirectrix/view/FocusAndDirectrixScreenView.js
index 123548f5..a7b7666f 100644
--- a/js/focusanddirectrix/view/FocusAndDirectrixScreenView.js
+++ b/js/focusanddirectrix/view/FocusAndDirectrixScreenView.js
@@ -24,14 +24,24 @@ define( require => {
      */
     constructor( model, tandem ) {
 
-      const viewProperties = new FocusAndDirectrixViewProperties( tandem.createTandem( 'viewProperties') );
+      const options = {
+        tandem: tandem
+      };
+
+      const viewProperties = new FocusAndDirectrixViewProperties( {
+        tandem: options.tandem.createTandem( 'viewProperties')
+      } );
 
       super( model,
         viewProperties,
         new FocusAndDirectrixGraphNode( model, viewProperties ),
-        new FocusAndDirectrixAccordionBox( model, viewProperties.equationAccordionBoxExpandedProperty, tandem.createTandem( 'equationAccordionBox') ),
-        new FocusAndDirectrixGraphControls( viewProperties, tandem.createTandem( 'graphControls' ) ),
-        tandem
+        new FocusAndDirectrixAccordionBox( model, viewProperties.equationAccordionBoxExpandedProperty, {
+          tandem: options.tandem.createTandem( 'equationAccordionBox')
+        } ),
+        new FocusAndDirectrixGraphControls( viewProperties, {
+          tandem: options.tandem.createTandem( 'graphControls' )
+        } ),
+        options
       );
     }
   }
diff --git a/js/focusanddirectrix/view/FocusAndDirectrixViewProperties.js b/js/focusanddirectrix/view/FocusAndDirectrixViewProperties.js
index 020377aa..d74b2239 100644
--- a/js/focusanddirectrix/view/FocusAndDirectrixViewProperties.js
+++ b/js/focusanddirectrix/view/FocusAndDirectrixViewProperties.js
@@ -13,40 +13,44 @@ define( require => {
   const graphingQuadratics = require( 'GRAPHING_QUADRATICS/graphingQuadratics' );
   const GQQueryParameters = require( 'GRAPHING_QUADRATICS/common/GQQueryParameters' );
   const GQViewProperties = require( 'GRAPHING_QUADRATICS/common/view/GQViewProperties' );
+  const Tandem = require( 'TANDEM/Tandem' );
 
   class FocusAndDirectrixViewProperties extends GQViewProperties {
 
     /**
-     * @param {Tandem} tandem
+     * @param {Object} [options]
      */
-    constructor( tandem ) {
+    constructor( options ) {
 
-      super( tandem, {
+      options = _.extend( {
         equationForm: 'vertex',
-        coordinatesVisible: GQQueryParameters.checkAll
-      } );
+        coordinatesVisible: GQQueryParameters.checkAll,
+        tandem: Tandem.required
+      }, options );
+
+      super( options );
 
       // @public
       this.vertexVisibleProperty = new BooleanProperty( true, {
-        tandem: tandem.createTandem( 'vertexVisibleProperty' ),
+        tandem: options.tandem.createTandem( 'vertexVisibleProperty' ),
         phetioInstanceDocumentation: 'whether the vertex manipulator is visible'
       } );
 
       // @public
       this.focusVisibleProperty = new BooleanProperty( true, {
-        tandem: tandem.createTandem( 'focusVisibleProperty' ),
+        tandem: options.tandem.createTandem( 'focusVisibleProperty' ),
         phetioInstanceDocumentation: 'whether the focus manipulator is visible'
       } );
 
       // @public
       this.directrixVisibleProperty = new BooleanProperty( true, {
-        tandem: tandem.createTandem( 'directrixVisibleProperty' ),
+        tandem: options.tandem.createTandem( 'directrixVisibleProperty' ),
         phetioInstanceDocumentation: 'whether the directrix is visible'
       } );
 
       // @public whether an interactive point is visible on the quadratic
       this.pointOnQuadraticVisibleProperty = new BooleanProperty( GQQueryParameters.checkAll, {
-        tandem: tandem.createTandem( 'pointOnQuadraticVisibleProperty' ),
+        tandem: options.tandem.createTandem( 'pointOnQuadraticVisibleProperty' ),
         phetioInstanceDocumentation: 'whether the interactive point on the quadratic is visible'
       } );
     }
diff --git a/js/standardform/view/StandardFormAccordionBox.js b/js/standardform/view/StandardFormAccordionBox.js
index 9bff218f..10b0f069 100644
--- a/js/standardform/view/StandardFormAccordionBox.js
+++ b/js/standardform/view/StandardFormAccordionBox.js
@@ -13,6 +13,7 @@ define( require => {
   const graphingQuadratics = require( 'GRAPHING_QUADRATICS/graphingQuadratics' );
   const StandardFormEquationNode = require( 'GRAPHING_QUADRATICS/standardform/view/StandardFormEquationNode' );
   const StandardFormInteractiveEquationNode = require( 'GRAPHING_QUADRATICS/standardform/view/StandardFormInteractiveEquationNode' );
+  const Tandem = require( 'TANDEM/Tandem' );
 
   class StandardFormAccordionBox extends EquationAccordionBox {
 
@@ -23,6 +24,10 @@ define( require => {
      */
     constructor( model, expandedProperty, options ) {
 
+      options = _.extend( {
+        tandem: Tandem.required
+      }, options );
+
       const titleNode = new StandardFormEquationNode();
 
       const interactiveEquationNode = new StandardFormInteractiveEquationNode(
diff --git a/js/standardform/view/StandardFormGraphControls.js b/js/standardform/view/StandardFormGraphControls.js
index ced684a2..8ac06ace 100644
--- a/js/standardform/view/StandardFormGraphControls.js
+++ b/js/standardform/view/StandardFormGraphControls.js
@@ -16,6 +16,7 @@ define( require => {
   const graphingQuadratics = require( 'GRAPHING_QUADRATICS/graphingQuadratics' );
   const Panel = require( 'SUN/Panel' );
   const RootsCheckbox = require( 'GRAPHING_QUADRATICS/standardform/view/RootsCheckbox' );
+  const Tandem = require( 'TANDEM/Tandem' );
   const VBox = require( 'SCENERY/nodes/VBox' );
   const VertexCheckbox = require( 'GRAPHING_QUADRATICS/common/view/VertexCheckbox' );
 
@@ -23,26 +24,26 @@ define( require => {
 
     /**
      * @param {StandardFormViewProperties} viewProperties
-     * @param {Tandem} tandem
+     * @param {Object} [options]
      */
-    constructor( viewProperties, tandem ) {
+    constructor( viewProperties, options ) {
 
-      const options = _.extend( {
-        tandem: tandem
-      }, GQConstants.PANEL_OPTIONS );
+      options = _.extend( {
+        tandem: Tandem.required
+      }, GQConstants.PANEL_OPTIONS, options );
 
       // checkboxes
       const vertexCheckbox = new VertexCheckbox( viewProperties.vertexVisibleProperty, {
-        tandem: tandem.createTandem( 'vertexCheckbox' )
+        tandem: options.tandem.createTandem( 'vertexCheckbox' )
       } );
       const axisOfSymmetryCheckbox = new AxisOfSymmetryCheckbox( viewProperties.axisOfSymmetryVisibleProperty, {
-        tandem: tandem.createTandem( 'axisOfSymmetryCheckbox' )
+        tandem: options.tandem.createTandem( 'axisOfSymmetryCheckbox' )
       } );
       const rootsCheckbox = new RootsCheckbox( viewProperties.rootsVisibleProperty, {
-        tandem: tandem.createTandem( 'rootsCheckbox' )
+        tandem: options.tandem.createTandem( 'rootsCheckbox' )
       } );
       const coordinatesCheckbox = new CoordinatesCheckbox( viewProperties.coordinatesVisibleProperty, {
-        tandem: tandem.createTandem( 'coordinatesCheckbox' )
+        tandem: options.tandem.createTandem( 'coordinatesCheckbox' )
       } );
 
       // vertical layout
diff --git a/js/standardform/view/StandardFormScreenView.js b/js/standardform/view/StandardFormScreenView.js
index 0f854c91..62315006 100644
--- a/js/standardform/view/StandardFormScreenView.js
+++ b/js/standardform/view/StandardFormScreenView.js
@@ -24,14 +24,24 @@ define( require => {
      */
     constructor( model, tandem ) {
 
-      const viewProperties = new StandardFormViewProperties( tandem.createTandem( 'viewProperties') );
+      const options = {
+        tandem: tandem
+      };
+
+      const viewProperties = new StandardFormViewProperties( {
+        tandem: options.tandem.createTandem( 'viewProperties')
+      } );
 
       super( model,
         viewProperties,
         new StandardFormGraphNode( model, viewProperties ),
-        new StandardFormAccordionBox( model, viewProperties.equationAccordionBoxExpandedProperty, tandem.createTandem( 'equationAccordionBox') ),
-        new StandardFormGraphControls( viewProperties, tandem.createTandem( 'graphControls') ),
-        tandem
+        new StandardFormAccordionBox( model, viewProperties.equationAccordionBoxExpandedProperty, {
+          tandem: options.tandem.createTandem( 'equationAccordionBox')
+        } ),
+        new StandardFormGraphControls( viewProperties, {
+          tandem: options.tandem.createTandem( 'graphControls')
+        } ),
+        options
       );
     }
   }
diff --git a/js/standardform/view/StandardFormViewProperties.js b/js/standardform/view/StandardFormViewProperties.js
index 811b9aff..b1f8e1e5 100644
--- a/js/standardform/view/StandardFormViewProperties.js
+++ b/js/standardform/view/StandardFormViewProperties.js
@@ -13,31 +13,36 @@ define( require => {
   const graphingQuadratics = require( 'GRAPHING_QUADRATICS/graphingQuadratics' );
   const GQQueryParameters = require( 'GRAPHING_QUADRATICS/common/GQQueryParameters' );
   const GQViewProperties = require( 'GRAPHING_QUADRATICS/common/view/GQViewProperties' );
+  const Tandem = require( 'TANDEM/Tandem' );
 
   class StandardFormViewProperties extends GQViewProperties {
 
     /**
-     * @param {Tandem} tandem
+     * @param {Object} [options]
      */
-    constructor( tandem ) {
+    constructor( options ) {
 
-      super( tandem );
+      options = _.extend( {
+        tandem: Tandem.required
+      }, options );
+
+      super( options );
 
       // @public
       this.vertexVisibleProperty = new BooleanProperty( GQQueryParameters.checkAll, {
-        tandem: tandem.createTandem( 'vertexVisibleProperty' ),
+        tandem: options.tandem.createTandem( 'vertexVisibleProperty' ),
         phetioInstanceDocumentation: 'whether the vertex point is visible'
       } );
 
       // @public
       this.axisOfSymmetryVisibleProperty = new BooleanProperty( GQQueryParameters.checkAll, {
-        tandem: tandem.createTandem( 'axisOfSymmetryVisibleProperty' ),
+        tandem: options.tandem.createTandem( 'axisOfSymmetryVisibleProperty' ),
         phetioInstanceDocumentation: 'whether the axis of symmetry is visible'
       } );
 
       // @public
       this.rootsVisibleProperty = new BooleanProperty( GQQueryParameters.checkAll, {
-        tandem: tandem.createTandem( 'rootsVisibleProperty' ),
+        tandem: options.tandem.createTandem( 'rootsVisibleProperty' ),
         phetioInstanceDocumentation: 'whether the real roots of the quadratic are visible'
       } );
     }
diff --git a/js/vertexform/view/VertexFormAccordionBox.js b/js/vertexform/view/VertexFormAccordionBox.js
index c22ab01e..3891c871 100644
--- a/js/vertexform/view/VertexFormAccordionBox.js
+++ b/js/vertexform/view/VertexFormAccordionBox.js
@@ -11,6 +11,7 @@ define( require => {
   // modules
   const EquationAccordionBox = require( 'GRAPHING_QUADRATICS/common/view/EquationAccordionBox' );
   const graphingQuadratics = require( 'GRAPHING_QUADRATICS/graphingQuadratics' );
+  const Tandem = require( 'TANDEM/Tandem' );
   const VertexFormEquationNode = require( 'GRAPHING_QUADRATICS/vertexform/view/VertexFormEquationNode' );
   const VertexFormInteractiveEquationNode = require( 'GRAPHING_QUADRATICS/vertexform/view/VertexFormInteractiveEquationNode' );
 
@@ -23,6 +24,10 @@ define( require => {
      */
     constructor( model, expandedProperty, options ) {
 
+      options = _.extend( {
+        tandem: Tandem.required
+      }, options );
+
       const titleNode = new VertexFormEquationNode();
 
       const interactiveEquationNode = new VertexFormInteractiveEquationNode(
diff --git a/js/vertexform/view/VertexFormGraphControls.js b/js/vertexform/view/VertexFormGraphControls.js
index 42fc79f0..6fe44da0 100644
--- a/js/vertexform/view/VertexFormGraphControls.js
+++ b/js/vertexform/view/VertexFormGraphControls.js
@@ -15,6 +15,7 @@ define( require => {
   const GQConstants = require( 'GRAPHING_QUADRATICS/common/GQConstants' );
   const graphingQuadratics = require( 'GRAPHING_QUADRATICS/graphingQuadratics' );
   const Panel = require( 'SUN/Panel' );
+  const Tandem = require( 'TANDEM/Tandem' );
   const VBox = require( 'SCENERY/nodes/VBox' );
   const VertexCheckbox = require( 'GRAPHING_QUADRATICS/common/view/VertexCheckbox' );
 
@@ -22,24 +23,24 @@ define( require => {
 
     /**
      * @param {GQViewProperties} viewProperties
-     * @param {Tandem} tandem
+     * @param {Object} [options]
      */
-    constructor( viewProperties, tandem ) {
+    constructor( viewProperties, options ) {
 
-      const options = _.extend( {
-        tandem: tandem
-      }, GQConstants.PANEL_OPTIONS );
+      options = _.extend( {
+        tandem: Tandem.required
+      }, GQConstants.PANEL_OPTIONS, options );
 
       // checkboxes
       const vertexCheckbox = new VertexCheckbox( viewProperties.vertexVisibleProperty, {
         manipulatorIcon: true,
-        tandem: tandem.createTandem( 'vertexCheckbox' )
+        tandem: options.tandem.createTandem( 'vertexCheckbox' )
       } );
       const axisOfSymmetryCheckbox = new AxisOfSymmetryCheckbox( viewProperties.axisOfSymmetryVisibleProperty, {
-        tandem: tandem.createTandem( 'axisOfSymmetryCheckbox' )
+        tandem: options.tandem.createTandem( 'axisOfSymmetryCheckbox' )
       } );
       const coordinatesCheckbox = new CoordinatesCheckbox( viewProperties.coordinatesVisibleProperty, {
-        tandem: tandem.createTandem( 'coordinatesCheckbox' )
+        tandem: options.tandem.createTandem( 'coordinatesCheckbox' )
       } );
 
       // vertical layout
diff --git a/js/vertexform/view/VertexFormScreenView.js b/js/vertexform/view/VertexFormScreenView.js
index 06664ed2..2a57e3d7 100644
--- a/js/vertexform/view/VertexFormScreenView.js
+++ b/js/vertexform/view/VertexFormScreenView.js
@@ -24,14 +24,24 @@ define( require => {
      */
     constructor( model, tandem ) {
 
-      const viewProperties = new VertexFormViewProperties( tandem.createTandem( 'viewProperties' ) );
+      const options = {
+        tandem: tandem
+      };
+
+      const viewProperties = new VertexFormViewProperties( {
+        tandem: options.tandem.createTandem( 'viewProperties' )
+      } );
 
       super( model,
         viewProperties,
         new VertexFormGraphNode( model, viewProperties ),
-        new VertexFormAccordionBox( model, viewProperties.equationAccordionBoxExpandedProperty, tandem.createTandem( 'equationAccordionBox' ) ),
-        new VertexFormGraphControls( viewProperties, tandem.createTandem( 'graphControls' ) ),
-        tandem
+        new VertexFormAccordionBox( model, viewProperties.equationAccordionBoxExpandedProperty, {
+          tandem: options.tandem.createTandem( 'equationAccordionBox' )
+        } ),
+        new VertexFormGraphControls( viewProperties, {
+          tandem: options.tandem.createTandem( 'graphControls' )
+        } ),
+        options
       );
     }
   }
diff --git a/js/vertexform/view/VertexFormViewProperties.js b/js/vertexform/view/VertexFormViewProperties.js
index b3fef286..54883413 100644
--- a/js/vertexform/view/VertexFormViewProperties.js
+++ b/js/vertexform/view/VertexFormViewProperties.js
@@ -13,27 +13,31 @@ define( require => {
   const graphingQuadratics = require( 'GRAPHING_QUADRATICS/graphingQuadratics' );
   const GQQueryParameters = require( 'GRAPHING_QUADRATICS/common/GQQueryParameters' );
   const GQViewProperties = require( 'GRAPHING_QUADRATICS/common/view/GQViewProperties' );
+  const Tandem = require( 'TANDEM/Tandem' );
 
   class VertexFormViewProperties extends GQViewProperties {
 
     /**
-     * @param {Tandem} tandem
+     * @param {Object} [options]
      */
-    constructor( tandem ) {
+    constructor( options ) {
 
-      super( tandem, {
-        equationForm: 'vertex'
-      } );
+      options = _.extend( {
+        equationForm: 'vertex',
+        tandem: Tandem.required
+      }, options );
+
+      super( options );
 
       // @public
       this.vertexVisibleProperty = new BooleanProperty( true, {
-        tandem: tandem.createTandem( 'vertexVisibleProperty' ),
+        tandem: options.tandem.createTandem( 'vertexVisibleProperty' ),
         phetioInstanceDocumentation: 'whether the vertex manipulator is visible'
       } );
 
       // @public
       this.axisOfSymmetryVisibleProperty = new BooleanProperty( GQQueryParameters.checkAll, {
-        tandem: tandem.createTandem( 'axisOfSymmetryVisibleProperty' ),
+        tandem: options.tandem.createTandem( 'axisOfSymmetryVisibleProperty' ),
         phetioInstanceDocumentation: 'whether the axis of symmetry is visible'
       } );
     }