Khan/khan-exercises — Issue #6758: Graphing systems of equations - Incorrect answer
Author: KhanBugz
Created: 2011-11-20 21:51:10+00:00
State: open
Labels: chrome, win7, wrong-or-unclear

Reporter: erinseligsohn@gmail.com

I am absolutely certain that (-1,1) is the correct solution, and I verified it by revealing all of the hints, but it will not accept it as correct.

[graphing_systems_of_equations.html?seed=140&problem=standard](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/graphing_systems_of_equations.html?seed=140&problem=standard&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/graphing_systems_of_equations.html?seed=140&problem=standard&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5B%5C%22-1%5C%22%2C%5C%221%5C%22%2C%5B%5B0%2C2.9499999999999993%5D%2C%5B1%2C4.949999999999999%5D%2C%5B-1%2C0.9499999999999993%5D%2C%5B0%2C-2.0500000000000007%5D%5D%5D%22%2C57%5D%5D)

[["-1","1",[[0,2.9499999999999993],[1,4.949999999999999],[-1,0.9499999999999993],[0,-2.0500000000000007]]]]

Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/535.2 (KHTML, like Gecko) Chrome/15.0.874.120 Safari/535.2

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