Khan/khan-exercises — Issue #9764: Equation of a hyperbola - it seems wrong.
Author: KhanBugz
Created: 2011-12-29 05:35:51+00:00
State: open
Labels: ie8, vista, wrong-or-unclear

Reporter: imsilzzang96@nate.com

(i'm poor at english)
i think it is wrong to go from sixth line from the bottom to fifth line from the bottom like that.

[equation_of_a_hyperbola.html?seed=71&problem=0](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/equation_of_a_hyperbola.html?seed=71&problem=0&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/equation_of_a_hyperbola.html?seed=71&problem=0&debug&activity=%5B%5B%22hint-activity%22%2C%220%22%2C272%5D%2C%5B%22hint-activity%22%2C%220%22%2C278%5D%2C%5B%22hint-activity%22%2C%220%22%2C282%5D%2C%5B%22hint-activity%22%2C%220%22%2C497%5D%2C%5B%22hint-activity%22%2C%220%22%2C499%5D%5D)

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Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.0; Trident/4.0; SLCC1; .NET CLR 2.0.50727; Media Center PC 5.0; InfoPath.3; .NET CLR 3.5.30729; .NET CLR 3.0.30618; .NET4.0C)

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