Khan/khan-exercises — Issue #6801: Graphing systems of equations - Correct Answer, but says it's incorrect
Author: KhanBugz
Created: 2011-11-21 16:15:57+00:00
State: open
Labels: firefox, scratchpad, win7, wrong-or-unclear

Not to mention, scratchpad not available. This is probably the buggiest exercise ever.

[graphing_systems_of_equations.html?seed=131&problem=mixed](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/graphing_systems_of_equations.html?seed=131&problem=mixed&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/graphing_systems_of_equations.html?seed=131&problem=mixed&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5B%5C%222%5C%22%2C%5C%22-3%5C%22%2C%5B%5B-2%2C10.5%5D%2C%5B0%2C4%5D%2C%5B-2%2C-1%5D%2C%5B0%2C-2%5D%5D%5D%22%2C748%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%2C5%5D%2C%5B%22hint-activity%22%2C%220%22%2C6%5D%2C%5B%22hint-activity%22%2C%220%22%2C7%5D%2C%5B%22hint-activity%22%2C%220%22%2C7%5D%2C%5B%22hint-activity%22%2C%220%22%2C7%5D%2C%5B%22hint-activity%22%2C%220%22%2C7%5D%2C%5B%22hint-activity%22%2C%220%22%2C7%5D%2C%5B%22hint-activity%22%2C%220%22%2C7%5D%5D)

[["2","-3",[[-2,10.5],[0,4],[-2,-1],[0,-2]]]]

Mozilla/5.0 (Windows NT 6.1; WOW64; rv:8.0) Gecko/20100101 Firefox/8.0

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