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Resource Name	Topic (Course)	Technology	Type	Rating
Browsing: All Content in PreCalculus for Conic Sections Browse discussions			Login to Subscribe / Save Results
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... More: lessons, discussions, ratings, reviews,...
Ellipse Game	foci (PreCalculus)	Java Applet	Tool	[1]
Try to click on one of the foci of the ellipse; feedback is given if you get closer/farther away. More: lessons, discussions, ratings, reviews,...
Ellipse definition and propert...	ellipses (PreCalculus)	Java Applet	Tool	[0]
An interactive applet and associated web page that show the definition and properties of an ellipse. The applet has a draggable point that shows that the sum of the distances to the foci is a co... More: lessons, discussions, ratings, reviews,...
Ellipse major and minor axes -...	major / minor axes (PreCalculus)	Java Applet	Tool	[0]
An interactive applet and associated web page that show the major and minor axes of an ellipse. The applet has an ellipse whose major and minor axis endpoints can be dragged. As they are dragge... More: lessons, discussions, ratings, reviews,...
Elliptical Gear	ellipses (PreCalculus)	Java Applet	Tool	[0]
The workings of an ellipse as a gear. More: lessons, discussions, ratings, reviews,...
Elliptical Pool Table	foci (PreCalculus)	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... More: lessons, discussions, ratings, reviews,...
Exploring Parabolas	parabolas (PreCalculus)	Java Applet	Tool	[0]
Explore the properties of parabolas through a geometric perspective within your browser window. More: lessons, discussions, ratings, reviews,...
Exploring Parabolas	parabolas (PreCalculus)	Java Applet	Tool	[0]
Java-Sketchpad applet for "carving" a parabola More: lessons, discussions, ratings, reviews,...
Foci of an ellipse - Math Open...	foci (PreCalculus)	Java Applet	Tool	[0]
An interactive applet and associated web page that show the definition and properties of the focus points (foci) of an ellipse. The applet has an ellipse whose major and minor axes can be dragge... More: lessons, discussions, ratings, reviews,...
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... More: lessons, discussions, ratings, reviews,...
Laboratory	Conic Sections (PreCalculus)	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 ... More: lessons, discussions, ratings, reviews,...
Optical Properties of Elliptic...	ellipses (PreCalculus)+	Java Applet	Tool	[0]
An interactive applet and associated web page that demonstrate the optical properties of elliptical mirrors. Rays that pass through one focus of an ellipse always are reflected so they pass thro... More: lessons, discussions, ratings, reviews,...
Problem of Hyperbola	hyperbolas (PreCalculus)	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. More: lessons, discussions, ratings, reviews,...
Reflective Properties of Ellip...	ellipses (PreCalculus)	Java Applet	Tool	[0]
Interactive page to demonstrate the reflective properties of ellipses. More: lessons, discussions, ratings, reviews,...
Reflective Properties of Hyper...	hyperbolas (PreCalculus)	Java Applet	Tool	[0]
Interactive page to demonstrate the reflective properties of hyperbolas. More: lessons, discussions, ratings, reviews,...
Semi-major and Semi-minor axes...	ellipses (PreCalculus)+	Java Applet	Tool	[0]
An interactive applet and associated web page that show the semi-major and semi-minor axes of an ellipse. The applet has an ellipse whose major and minor axis endpoints can be dragged. As they... More: lessons, discussions, ratings, reviews,...
Tangent to an Ellipse - Math O...	ellipses (PreCalculus)	Java Applet	Tool	[0]
An interactive applet and associated web page that demonstrate the tangent to an ellipse. An ellipse is shown and a tangent line that touches it at the one point. The user can drag the tang... More: lessons, discussions, ratings, reviews,...
The Focus-directrix Definition	Conic Sections (PreCalculus)	Java Applet	Tool	[0]
The CabriJava applet shows a conic with focus F, directrix L passing through a point P. The choice of P determines the eccentricity - as the ratio \|PQ\|/\|PF\|. You can move F and P to see what shapes ar... More: lessons, discussions, ratings, reviews,...
Toy	ellipses (PreCalculus)	Java Applet	Tool	[0]
An interactive page to demonstrate an ellipse. More: lessons, discussions, ratings, reviews,...
Conic_Connections	general, standard forms of equations (PreCalculus)+	Sketchpad	Tool	[1]
The user manipulates a plane and double-napped cone to generate graphs and equations of conic sections. Eccentricity, foci, and directrices are also illustrated in both 2- and 3-D. More: lessons, discussions, ratings, reviews,...
Ellipses: The Congruent Triang...	ellipses (PreCalculus)	Sketchpad	Tool	[0]
A pair of congruent triangles holds the key to this unusual Sketchpad ellipse construction. The link to the tool itself is to a zip file that contains both the sketch and a pdf file of the correspo... More: lessons, discussions, ratings, reviews,...
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 Graphing App	Conic Sections (PreCalculus)	TI-83/TI-84	Tool	[0]
This App will present equations in function, parametric, or polar form and provides a simple way to graph the four conic shapes: circle, ellipse, hyperbola, and parabola. The required parameters can b... More: lessons, discussions, ratings, reviews,...
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