Khan/khan-exercises — Issue #6692: Quadratic equation - wrong answer
Author: KhanBugz
Created: 2011-11-19 14:51:59+00:00
State: open
Labels: chrome, win7, wrong-or-unclear

correct answer should be-
(4 ± √33)/3

but the correct option is-
(-4 ± √43)/-3

it should be √33 not √43

[quadratic_equation.html?seed=157&problem=0](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/quadratic_equation.html?seed=157&problem=0&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/quadratic_equation.html?seed=157&problem=0&debug&activity=%5B%5B%22correct-activity%22%2C%22%5C%22%3Ccode%20style%3D%5C%5C%5C%22display%3A%20none%3B%20%5C%5C%5C%22%3Ex%20%3D%5C%5C%5C%5Cfrac%7B-4%20%5C%5C%5C%5Cpm%20%5C%5C%5C%5Csqrt%7B43%7D%7D%7B-3%7D%3C%2Fcode%3E%5C%22%22%2C215%5D%5D)

["x =\\frac{-4 \\pm \\sqrt{43}}{-3}"]

Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/535.2 (KHTML, like Gecko) Chrome/15.0.874.120 Safari/535.2

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