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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
Average Rate of Change: Graph a Function (2)
Exploring Simple Loci 探究簡單軌跡
alg2_05_05_01_applet_exp_flvs
探究由平行線和截線所成的角
What is an Isogonal Conjugate?
Discover Resources
TT2h_Ex20pt1_Num5_DistanceTimeGraph_WorkinProgress
Trapezoid Maker
Butterbaugh Ellipse Sketch
NASC
Distance between two 3D lines
Discover Topics
Line Segment
Logarithm
Geometric Distribution
Distributions
Ratios