Khan/khan-exercises — Issue #8479: Recognizing conic sections - exercises won't work
Author: KhanBugz
Created: 2011-12-12 23:37:33+00:00
State: open
Labels: not-showing, safari, vista

after I watch the video, I go to the exercise and the website freezes.

[recognizing_conic_sections.html?seed=155&problem=ellipse](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/recognizing_conic_sections.html?seed=155&problem=ellipse&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/recognizing_conic_sections.html?seed=155&problem=ellipse&debug&activity=%5B%5D)

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Mozilla/5.0 (Windows NT 6.0; WOW64) AppleWebKit/534.52.7 (KHTML, like Gecko) Version/5.0.3 Safari/533.19.4

MathJax is loaded, ready, queue length: 0