Khan/khan-exercises — Issue #14254: Solving quadratics by factoring 2 - Hint could use a little work for special cases
Author: KhanBugz
Created: 2012-02-20 22:42:39+00:00
State: open
Labels: firefox, other, win7

Reporter: christilin@msn.com

"f(x)=6x2+0−294

"The function intersects the x-axis where f(x)=0, so solve the equation:

"6x2−294=0" ...

Either avoid the special factors or use this information in the hint. Also the problem statement should include the x if you are going to use it in hints... looks funny without x

[solving_quadratics_by_factoring_2.html?seed=13&problem=original](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/solving_quadratics_by_factoring_2.html?seed=13&problem=original&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/solving_quadratics_by_factoring_2.html?seed=13&problem=original&debug&activity=%5B%5B%22correct-activity%22%2C%22%5B%5C%227%5C%22%2C%5C%22-7%5C%22%5D%22%2C28%5D%5D)

[["7","-7"]]

Mozilla/5.0 (Windows NT 6.1; WOW64; rv:9.0.1) Gecko/20100101 Firefox/9.0.1

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