Khan/khan-exercises — Issue #11775: Completing the square 1 - Not about completing the square either
Author: KhanBugz
Created: 2012-01-21 09:15:10+00:00
State: open
Labels: win7, wrong-or-unclear

x^2−8x+16=0 is already a complete square.

[completing_the_square_1.html?seed=103&problem=one-root](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/completing_the_square_1.html?seed=103&problem=one-root&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/completing_the_square_1.html?seed=103&problem=one-root&debug&activity=%5B%5B%22correct-activity%22%2C%22%5B%5C%224%5C%22%5D%22%2C98%5D%5D)

[["4"]]

Opera/9.80 (Windows NT 6.1; U; en) Presto/2.9.168 Version/11.52

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