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Quadratic Compass
Author:
Andrew Stacey
This shows the method of solving a quadratic using a ruler-and-compass construction. Drag the point "A" around on the screen to modify the quadratic and thus its roots.
GeoGebra
New Resources
Poorly Drawn Parallelograms 2
Poorly Drawn Parallelograms 3
alg2_05_05_01_applet_exp_flvs
alg2_05_05_04_applet_exp_fxn_flvs
Exploring Simple Loci 探究簡單軌跡
Discover Resources
The Doppler Effect with Sound
Krista- Angle Bisector
angle bisector
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triangles same area
Discover Topics
Cosine
Mode
Equilateral Triangles
Dilation
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