Khan/khan-exercises — Issue #5056: Parabola intuition 2 - No hints
Author: KhanBugz
Created: 2011-10-27 00:23:19+00:00
State: open
Labels: firefox, snowleo

A hint would be nice. Adjusting the directrix and the y coordinate of the focal point seem to do the same thing.

[parabola_intuition_2.html?seed=170&problem=0](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/parabola_intuition_2.html?seed=170&problem=0&debug)

[["-1","-3","-0.875"]]

Mozilla/5.0 (Macintosh; Intel Mac OS X 10.6; rv:6.0.2) Gecko/20100101 Firefox/6.0.2

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