Khan/khan-exercises — Issue #4879: Parabola intuition 3 - parabola intution 3
Author: KhanBugz
Created: 2011-10-24 10:36:57+00:00
State: open
Labels: ie8, win7

how to get the focus
it is so diffcult.

[parabola_intuition_3.html?seed=85&problem=0](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/parabola_intuition_3.html?seed=85&problem=0&debug)

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Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; Trident/4.0; GTB7.1; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; InfoPath.2)

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