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Parabola Drawn From Definition

Author:
Whan Ki Lee, GeoGebra Materials Team
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.
Jerel L. Welker Lincoln Southwest High School Lincoln, NE jwelker@lps.org

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