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GeoGebra
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Focus-Directrix Definition of a Parabola
Author:
stampinpost
Move the slide to move the focus point up and down along the axis of symmetry.
GeoGebra
New Resources
Rose Curve - A Classical Construction
Drag that Point!
van Aubel's Theorem
Introduction
Witch of Agnesi - A Classical Construction
Discover Resources
Extra verification (green/red light), degeneracy cases
Circle Theorems
Equilibrium position under three forces
Investigating the Cosine Curve
UnMessUpAble Figures HW - 10/13
Discover Topics
Combinatorics
Random Experiments
Square
Root
Centroid or Barycenter