Khan/khan-exercises — Issue #14416: Quadratic equation - Answer can be simplified
Author: KhanBugz
Created: 2012-02-22 16:59:51+00:00
State: open
Labels: other, safari

square root of 1 is one, answer can be reduced.

[quadratic_equation.html?seed=178&problem=0](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/quadratic_equation.html?seed=178&problem=0&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/quadratic_equation.html?seed=178&problem=0&debug&activity=%5B%5B%22correct-activity%22%2C%22%5C%22None%20of%20the%20above.%5C%22%22%2C107%5D%5D)

["None of the above."]

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