Khan/khan-exercises — Issue #13622: Quadratic equation - Answer is wrong
Author: KhanBugz
Created: 2012-02-11 01:36:45+00:00
State: open
Labels: chrome, lion, wrong-or-unclear

[quadratic_equation.html?seed=52&problem=0](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/quadratic_equation.html?seed=52&problem=0&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/quadratic_equation.html?seed=52&problem=0&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5C%22None%20of%20the%20above.%5C%22%22%2C69%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%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%2C%5B%22hint-activity%22%2C%220%22%2C9%5D%5D)

["None of the above."]

Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_2) AppleWebKit/535.11 (KHTML, like Gecko) Chrome/17.0.963.46 Safari/535.11

MathJax is loaded, ready, queue length: 0