The Parabola as a Locus - variable vertex

GeoGebra, Manipulative

A GeoGebra applet: Change the sliders to change the focal length (a) or the vertex (h, k). Or drag the point Q along the directrix to see the locus of P.

18 August 2011 Edit: 19 October 2018

Requires: Java The CheerpJ Applet Runner, an extension for the Chrome browser, allows legacy applets requiring Java to run.
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