Khan/khan-exercises — Issue #6539: Recognizing conic sections - IM HARD
Author: KhanBugz
Created: 2011-11-17 17:32:17+00:00
State: open
Labels: hard, ie8, xp

IM HARD

[recognizing_conic_sections.html?seed=15&problem=parabola](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/recognizing_conic_sections.html?seed=15&problem=parabola&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/recognizing_conic_sections.html?seed=15&problem=parabola&debug&activity=%5B%5D)

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