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Resource Name 
Topic (Course) 
Technology 
Type 
$? 
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Conic_Connections

directrix (PreCalculus) 
Sketchpad 
Tool 

[1]

The user manipulates a plane and doublenapped cone to generate graphs and equations of conic sections. Eccentricity, foci, and directrices are also illustrated in both 2 and 3D.
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Focus of parabola

foci (PreCalculus) 
Java Applet 
Tool 

[0]

This applet illustrates the phenomena that parallel beams reflect on the parabola face and gather at one point. The point is the focus of parabola. Using the applet, investigate the relationship bet...
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Conic_Connections

foci (PreCalculus) 
Sketchpad 
Tool 

[1]

The user manipulates a plane and doublenapped cone to generate graphs and equations of conic sections. Eccentricity, foci, and directrices are also illustrated in both 2 and 3D.
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Exploring Geometric Constructi...

parabolas (PreCalculus) 
Sketchpad 
Activity 

[0]

This activity is an introduction to geometric constructions of parabolas. We will investigate their properties and characteristics. This activity has been adapted from the following article: Olmstead,...
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Parabolas: The Folded Rectangl...

parabolas (PreCalculus) 
Sketchpad 
Activity 

[0]

With just a blank sheet of paper and a single point, students can fold a genuine parabola. Students model the technique with Sketchpad to reveal the underlying mathematics. The link to the activit...
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Conic Sections

parabolas (PreCalculus) 
JavaScript 
Support Material 

[1]

The user reviews the different conic sections with illustrations and equations for each.
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Quadratic Functions

parabolas (PreCalculus) 
Flash 
Tool 

[0]

This Flashbased tutorial covers the different varieties of parabolas you can get when graphing quadratic functions. It includes the standard and alternate forms of the quadratic formula, and demonst...
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Drawing Parabola

parabolas (PreCalculus) 
Java Applet 
Tool 

[0]

The applet manipulates an apparatus that draws a parabola from its definition that the distance from a fixed point called the focus is equivalent to the distance from a fixed line called the directri...
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Exploring Parabolas

parabolas (PreCalculus) 
Java Applet 
Tool 

[0]

Explore the properties of parabolas through a geometric perspective within your browser window.
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Exploring Parabolas

parabolas (PreCalculus) 
Java Applet 
Tool 

[0]

JavaSketchpad applet for "carving" a parabola
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Parabolas: The Folded Rectangl...

parabolas (PreCalculus) 
Sketchpad 
Tool 

[0]

With just a blank sheet of paper and a single point, students can fold a genuine parabola. Students model the technique with Sketchpad to reveal the underlying mathematics. The link to the tool it...
More: lessons, discussions, ratings, reviews,...

Conic_Connections

vertex (PreCalculus) 
Sketchpad 
Tool 

[1]

The user manipulates a plane and doublenapped cone to generate graphs and equations of conic sections. Eccentricity, foci, and directrices are also illustrated in both 2 and 3D.
More: lessons, discussions, ratings, reviews,...

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