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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
Slope Field (1)
Parallel or Not? (V2)
Witch of Agnesi - A Classical Construction
Drag that Point!
Piano. Keyboard.
Discover Resources
English Sentence Construction
Investigation 1
การลบจำนวนเต็ม
Translations
ch10pointrotationQRversion
Discover Topics
Calculus
Indefinite Integral
Logarithm
Linear Regression
Geometric Transformations