Parabola Drawn From Definition

Parabola - The set of all points the same distance from a point and a line.

Position the directix using points A and B.
Position the Focus.

Move point D along the directrix to construct the parabola.
Press Ctrl-F to delete the trace.

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Jerel L. Welker
Lincoln Southwest High School
Lincoln, NE
jwelker@lps.org

Jerel L. Welker, Created with GeoGebra