GeoGebra HowTo: Construct a Parabola using focus point and directrix

Resource Type: GeoGebra, Tutorial

Student step-by-step guide on constructing a parabola using a focus and a directrix. The construction is a little different than students may expect, which could open up discussion about why the construction works (it exploits other locus ideas: perpendicular bisector and perpendicular distance).

9 September 2012 Edit: 27 February 2014

Shared by Nordin Zuber

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