Khan/khan-exercises — Issue #14540: Graphing systems of equations - graphing system of equations solution is incorrect
Author: KhanBugz
Created: 2012-02-23 22:21:18+00:00
State: open
Labels: ie8, win7, wrong-or-unclear

pretty straightforward. This problem does not accept the correct answer as the right answer, although the worked out solution is correct

[graphing_systems_of_equations.html?seed=68&problem=mixed](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/graphing_systems_of_equations.html?seed=68&problem=mixed&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/graphing_systems_of_equations.html?seed=68&problem=mixed&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5B%5C%22-3%5C%22%2C%5C%221%5C%22%2C%5B%5B-1%2C-3%5D%2C%5B0%2C-5%5D%2C%5B3%2C5%5D%2C%5B0%2C3%5D%5D%5D%22%2C56%5D%2C%5B%22hint-activity%22%2C%220%22%2C80%5D%2C%5B%22hint-activity%22%2C%220%22%2C88%5D%2C%5B%22hint-activity%22%2C%220%22%2C90%5D%2C%5B%22hint-activity%22%2C%220%22%2C90%5D%2C%5B%22hint-activity%22%2C%220%22%2C125%5D%2C%5B%22hint-activity%22%2C%220%22%2C131%5D%2C%5B%22hint-activity%22%2C%220%22%2C148%5D%2C%5B%22hint-activity%22%2C%220%22%2C153%5D%2C%5B%22hint-activity%22%2C%220%22%2C157%5D%2C%5B%22hint-activity%22%2C%220%22%2C161%5D%2C%5B%22hint-activity%22%2C%220%22%2C163%5D%2C%5B%22hint-activity%22%2C%220%22%2C166%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5C%22-3%5C%22%2C%5C%221%5C%22%2C%5B%5B0%2C-5%5D%2C%5B1%2C-7%5D%2C%5B3%2C5%5D%2C%5B0%2C3%5D%5D%5D%22%2C171%5D%5D)

[["-3","1",[[-1,-3],[0,-5],[3,5],[0,3]]],["-3","1",[[0,-5],[1,-7],[3,5],[0,3]]]]

Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; WOW64; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; AskTbX-SD/5.12.5.17640)

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