Khan/khan-exercises — Issue #12261: Graphing systems of inequalities 2 - Correct solution 
Author: KhanBugz
Created: 2012-01-27 04:34:50+00:00
State: open
Labels: chrome, win7, wrong-or-unclear

I've entered correct solution but the problem is marked wrong.

[graphing_systems_of_inequalities_2.html?seed=68&problem=0](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/graphing_systems_of_inequalities_2.html?seed=68&problem=0&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/graphing_systems_of_inequalities_2.html?seed=68&problem=0&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5B%5B%5B-1%2C-3%5D%2C%5B0.5%2C-6%5D%2Cfalse%2Ctrue%2C%5B-5%2C0%5D%2C%5B5%2C6%5D%2Cfalse%2Ctrue%5D%2C%5B%5C%22(3%2C7\)(3%2C%207\)%20is%20a%20solution%5C%22%2C%5C%22%5C%22%5D%5D%22%2C173%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5B%5B-1%2C-3%5D%2C%5B0.5%2C-6%5D%2Cfalse%2Ctrue%2C%5B-5%2C-0.5%5D%2C%5B9%2C9%5D%2Cfalse%2Ctrue%5D%2C%5B%5C%22(3%2C7\)(3%2C%207\)%20is%20a%20solution%5C%22%2C%5C%22%5C%22%5D%5D%22%2C100%5D%2C%5B%22hint-activity%22%2C%220%22%2C5%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5B%5B-1%2C-3%5D%2C%5B0.5%2C-6%5D%2Cfalse%2Ctrue%2C%5B-5%2C-0.5%5D%2C%5B9%2C9%5D%2Cfalse%2Ctrue%5D%2C%5B%5C%22(3%2C7\)(3%2C%207\)%20is%20a%20solution%5C%22%2C%5C%22%5C%22%5D%5D%22%2C302%5D%5D)

[[[[-1,-3],[0.5,-6],false,true,[-5,0],[5,6],false,true],["(3,7)(3, 7) is a solution",""]],[[[-1,-3],[0.5,-6],false,true,[-5,-0.5],[9,9],false,true],["(3,7)(3, 7) is a solution",""]],[[[-1,-3],[0.5,-6],false,true,[-5,-0.5],[9,9],false,true],["(3,7)(3, 7) is a solution",""]]]

Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/535.7 (KHTML, like Gecko) Chrome/16.0.912.77 Safari/535.7

MathJax is loaded, ready, queue length: 0