Khan/khan-exercises — Issue #12536: Equation of an ellipse - answer nt accepting
Author: KhanBugz
Created: 2012-01-31 12:02:21+00:00
State: open
Labels: chrome, vista, wrong-or-unclear

the right answer is 4 and when i type it your system says its wrong .. by the way amazing website!!! . this is called education .. wish all schools in india taught like u do

[equation_of_an_ellipse.html?seed=146&problem=0](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/equation_of_an_ellipse.html?seed=146&problem=0&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/equation_of_an_ellipse.html?seed=146&problem=0&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5B%5C%22-5%5C%22%2C%5C%228%5C%22%2C%5C%228%5C%22%2C%5C%224%5C%22%5D%22%2C8%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5C%22-5%5C%22%2C%5C%228%5C%22%2C%5C%228%5C%22%2C%5C%224%5C%22%5D%22%2C2%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5C%22-5%5C%22%2C%5C%228%5C%22%2C%5C%224%5C%22%2C%5C%228%5C%22%5D%22%2C11%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5C%22-5%5C%22%2C%5C%228%5C%22%2C%5C%228%5C%22%2C%5C%224%5C%22%5D%22%2C13%5D%2C%5B%22hint-activity%22%2C%220%22%2C2%5D%2C%5B%22hint-activity%22%2C%220%22%2C3%5D%2C%5B%22hint-activity%22%2C%220%22%2C3%5D%2C%5B%22hint-activity%22%2C%220%22%2C4%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5C%22-5%5C%22%2C%5C%228%5C%22%2C%5C%228%5C%22%2C%5C%224%5C%22%5D%22%2C9%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5C%22-5%5C%22%2C%5C%228%5C%22%2C%5C%228%5C%22%2C%5C%228%5C%22%5D%22%2C4%5D%5D)

[["-5","8","8","4"],["-5","8","8","4"],["-5","8","4","8"],["-5","8","8","4"],["-5","8","8","4"],["-5","8","8","8"]]

Mozilla/5.0 (Windows NT 6.0) AppleWebKit/535.7 (KHTML, like Gecko) Chrome/16.0.912.77 Safari/535.7

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