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Topic (Course) 
Technology 
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Equation of a Vertical Ellipse

Vocabulary (Algebra II)+ 
Flash 
Tool 

[1]

Flash introduction to finding the equation of an ellipse centered on (0,0) and with its major axis on the yaxis. Students can use this Tab Tutor program to learn about the equation of this ellipse an...
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Equation of a Vertical Hyperbo...

Hyperbolas (Algebra II) 
Flash 
Tool 

[0]

Flash introduction to finding the equation of an hyperbola centered on (0,0) and with its major axis on the yaxis. With stepbystep instruction and an illustrated glossary, students can learn how to...
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Conic Flyer

Conic sections (Algebra II)+ 
Java Applet 
Tool 

[3]

This activity allows the user to manipulate the graphs of the conic sections by changing the constants in their respective equations. The equation and variable values are displayed and change as the u...
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Conic Sections

Conic sections (Algebra II) 
Java Applet 
Tool 

[0]

This applet allows the user to vary parameters in the "generalized" conic equation, ax^2 + bxy + cy^2 + dx + ey + f = 0, as well as displace graphs. Instructions and some discussion included.
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Drawing Hyperbola

Hyperbolas (Algebra II) 
Java Applet 
Tool 

[0]

Interactive page to draw hyperbolas.
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Drawing Parabola

Parabolas (Algebra II) 
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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Ellipse Game

Ellipses (Algebra II) 
Java Applet 
Tool 

[1]

Try to click on one of the foci of the ellipse; feedback is given if you get closer/farther away.
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Ellipse and Hyperbola

Ellipses (Algebra II)+ 
Java Applet 
Tool 

[1]

A graphing applet with sliders for controlling a, b, h and k. Both the ellipse and hyperbola applets are on the same page. The hyperbola applet allows for horizontal and vertical hyperbolas. The "b...
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Elliptical Gear

Ellipses (Algebra II) 
Java Applet 
Tool 

[0]

The workings of an ellipse as a gear.
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Elliptical Pool Table

Ellipses (Algebra II) 
Java Applet 
Tool 

[1]

Choose "New Toys" from the menu bar when it has loaded (be patient); then choose "Elliptical Pool Table" one that in turn is loaded. This applet simulates pool on a table where the "pocket" is the rig...
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Focus of parabola

Parabolas (Algebra II) 
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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General Conic Equation Plotter

Graph from equation (Algebra II)+ 
Java Applet 
Tool 

[0]

This graphs equations of conic sections in standard form. Making a circle, ellipse, and line are easy, but it gets trickier as you try to make a parabola, or hyperbola. Students will have to think a...
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Laboratory

Conic sections (Algebra II) 
Java Applet 
Tool 

[0]

When the sun moves around in the sky, the shadow cast by a vertical stick moves on the ground. The tip of the shadow traces some kind of curve. The curve depends on the observation point, and it also ...
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Problem of Hyperbola

Hyperbolas (Algebra II) 
Java Applet 
Tool 

[0]

The defintion of a hyperbola is illustrated using this applet. When concentric circles are formed at each of the foci, the intersections of the circles must satisfy the constant difference.
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Quadratic Relations: Parabola ...

Parabolas (Algebra II) 
Java Applet 
Tool 

[0]

This applet allows the user to explore the graphs of horizontal of vertical parabolas in vertex form by using sliders to adjust a, h and k. The equation changes with the change in a, h and k on the s...
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Reflective Properties of Ellip...

Ellipses (Algebra II) 
Java Applet 
Tool 

[0]

Interactive page to demonstrate the reflective properties of ellipses.
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Reflective Properties of Hyper...

Hyperbolas (Algebra II) 
Java Applet 
Tool 

[0]

Interactive page to demonstrate the reflective properties of hyperbolas.
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Toy

Ellipses (Algebra II) 
Java Applet 
Tool 

[0]

An interactive page to demonstrate an ellipse.
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2D/3D Function Plotter

Graph from equation (Algebra II) 
JavaScript 
Tool 

[0]

An online (JavaScript) plotting tool for creating 2D and 3D graphs from typed in algebraic expressions. This is version 2.92. See the story for the older version.
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FooPlot  Online graphing calc...

Graph from equation (Algebra II) 
JavaScript 
Tool 

[2]

This tool lets you plot functions, polar plots, and 3D with just a suitable web browser (within the IE, FireFox, or Opera web browsers), and find the roots and intersections of graphs. In addition, yo...
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Matching Equations to Descript...

Circles (Algebra II)+ 
JavaScript 
Tool 

[0]

Match each of the equations with the description of the graph created by the equation (hyperbola, parabola, circle, ellipse, line, and other).
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powerOne^{TM} Graph v4

Conic sections (Algebra II) 
Palm OS 
Tool 
$ 
[1]

powerOne(r) Graph supports computation & graphing in the mathematics classroom. The following tasks can be done with this software on a handheld computer including: 
Ellipse  Activity A Gizmo

Ellipses (Algebra II) 
Shockwave 
Tool 
$ 
[0]

Commercial site with one free access per day. This is a graphing applet that uses sliders for a, b, h, and k. It is easy to see the effects of all. There is also a way to show the Pythagorean relati...
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Parabolas Activity A

Parabolas (Algebra II) 
Shockwave 
Tool 
$ 
[0]

Commercial site with one free access per day. This tool allows the user to explore either vertical or horizontal parabolas, in both standard and vertex form. It also has the geometric definition wit...
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Conic_Connections

Circles (Algebra II)+ 
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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