Khan/khan-exercises — Issue #14662: Equation of an ellipse - It says the correct answer is wrong
Author: KhanBugz
Created: 2012-02-25 20:45:55+00:00
State: open
Labels: ie8, ie9, win7, wrong-or-unclear

[equation_of_an_ellipse.html?seed=82&problem=0](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/equation_of_an_ellipse.html?seed=82&problem=0&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/equation_of_an_ellipse.html?seed=82&problem=0&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5B%5C%22-9%5C%22%2C%5C%227%5C%22%2C%5C%228%5C%22%2C%5C%222%5C%22%5D%22%2C31%5D%2C%5B%22hint-activity%22%2C%220%22%2C5%5D%2C%5B%22hint-activity%22%2C%220%22%2C5%5D%2C%5B%22hint-activity%22%2C%220%22%2C6%5D%2C%5B%22hint-activity%22%2C%220%22%2C6%5D%5D)

[["-9","7","8","2"]]

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