Khan/khan-exercises — Issue #8159: Graphing systems of inequalities - Graphing systems of inequalities
Author: KhanBugz
Created: 2011-12-08 19:42:37+00:00
State: open
Labels: firefox, other, xp

Reporter: sbnl382@yahoo.com

Is this a software glitch? I think I did the problem correctly but I can't get the smiley face.

[graphing_systems_of_inequalities.html?seed=160&problem=0](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/graphing_systems_of_inequalities.html?seed=160&problem=0&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/graphing_systems_of_inequalities.html?seed=160&problem=0&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5B%5B%5B0%2C-5%5D%2C%5B1%2C-3%5D%2Ctrue%2Ctrue%2C%5B0%2C3%5D%2C%5B1%2C1%5D%2Ctrue%2Ctrue%5D%5D%22%2C221%5D%2C%5B%22hint-activity%22%2C%220%22%2C313%5D%2C%5B%22hint-activity%22%2C%220%22%2C317%5D%2C%5B%22hint-activity%22%2C%220%22%2C318%5D%2C%5B%22hint-activity%22%2C%220%22%2C324%5D%2C%5B%22hint-activity%22%2C%220%22%2C355%5D%2C%5B%22hint-activity%22%2C%220%22%2C376%5D%2C%5B%22hint-activity%22%2C%220%22%2C391%5D%2C%5B%22hint-activity%22%2C%220%22%2C402%5D%2C%5B%22hint-activity%22%2C%220%22%2C408%5D%2C%5B%22hint-activity%22%2C%220%22%2C420%5D%2C%5B%22hint-activity%22%2C%220%22%2C430%5D%2C%5B%22hint-activity%22%2C%220%22%2C440%5D%2C%5B%22hint-activity%22%2C%220%22%2C450%5D%2C%5B%22hint-activity%22%2C%220%22%2C462%5D%5D)

[[[[0,-5],[1,-3],true,true,[0,3],[1,1],true,true]]]

Mozilla/5.0 (Windows NT 5.1; rv:8.0) Gecko/20100101 Firefox/8.0

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