Khan/khan-exercises — Issue #9150: Graphing systems of inequalities - Answer is wrong
Author: KhanBugz
Created: 2011-12-21 01:33:50+00:00
State: open
Labels: lion, safari, wrong-or-unclear

[graphing_systems_of_inequalities.html?seed=125&problem=0](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/graphing_systems_of_inequalities.html?seed=125&problem=0&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/graphing_systems_of_inequalities.html?seed=125&problem=0&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5B%5B%5B0%2C5%5D%2C%5B1%2C1%5D%2Ctrue%2Cfalse%2C%5B0%2C-3%5D%2C%5B1%2C-7%5D%2Ctrue%2Ctrue%5D%5D%22%2C62%5D%2C%5B%22hint-activity%22%2C%220%22%2C10%5D%2C%5B%22hint-activity%22%2C%220%22%2C10%5D%2C%5B%22hint-activity%22%2C%220%22%2C11%5D%2C%5B%22hint-activity%22%2C%220%22%2C11%5D%2C%5B%22hint-activity%22%2C%220%22%2C11%5D%2C%5B%22hint-activity%22%2C%220%22%2C11%5D%2C%5B%22hint-activity%22%2C%220%22%2C11%5D%2C%5B%22hint-activity%22%2C%220%22%2C11%5D%2C%5B%22hint-activity%22%2C%220%22%2C12%5D%2C%5B%22hint-activity%22%2C%220%22%2C12%5D%2C%5B%22hint-activity%22%2C%220%22%2C12%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5B%5B0%2C5%5D%2C%5B1%2C9%5D%2Cfalse%2Cfalse%2C%5B0%2C-3%5D%2C%5B1%2C-7%5D%2Ctrue%2Ctrue%5D%5D%22%2C58%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5B%5B0%2C5%5D%2C%5B1%2C9%5D%2Cfalse%2Cfalse%2C%5B0%2C-3%5D%2C%5B1%2C-7%5D%2Ctrue%2Ctrue%5D%5D%22%2C53%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5B%5B0%2C5%5D%2C%5B1%2C9%5D%2Cfalse%2Cfalse%2C%5B0%2C-3%5D%2C%5B1%2C-7%5D%2Ctrue%2Ctrue%5D%5D%22%2C3%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5B%5B0%2C5%5D%2C%5B1%2C9%5D%2Cfalse%2Cfalse%2C%5B0%2C-3%5D%2C%5B1%2C-7%5D%2Ctrue%2Ctrue%5D%5D%22%2C43%5D%5D)

[[[[0,5],[1,1],true,false,[0,-3],[1,-7],true,true]],[[[0,5],[1,9],false,false,[0,-3],[1,-7],true,true]],[[[0,5],[1,9],false,false,[0,-3],[1,-7],true,true]],[[[0,5],[1,9],false,false,[0,-3],[1,-7],true,true]],[[[0,5],[1,9],false,false,[0,-3],[1,-7],true,true]]]

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