Khan/khan-exercises — Issue #8404: Graphing systems of inequalities - my solution == hinted solution, yet marked wrong
Author: KhanBugz
Created: 2011-12-12 07:33:44+00:00
State: open
Labels: chrome, win7, wrong-or-unclear

Reporter: aryeh.abramovitz@gmail.com

After solving problem, check answer shows incorrect. Checked complete hinted solution, and all the hints are exactly what I did. Perhaps the fact that I graphed the second equation first caused a bug in the app?

[graphing_systems_of_inequalities.html?seed=135&problem=0](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/graphing_systems_of_inequalities.html?seed=135&problem=0&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/graphing_systems_of_inequalities.html?seed=135&problem=0&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5B%5B%5B0%2C3%5D%2C%5B1%2C0%5D%2Cfalse%2Cfalse%2C%5B0%2C-4%5D%2C%5B1%2C0%5D%2Ctrue%2Cfalse%5D%5D%22%2C70%5D%2C%5B%22hint-activity%22%2C%220%22%2C168%5D%2C%5B%22hint-activity%22%2C%220%22%2C169%5D%2C%5B%22hint-activity%22%2C%220%22%2C172%5D%2C%5B%22hint-activity%22%2C%220%22%2C177%5D%2C%5B%22hint-activity%22%2C%220%22%2C184%5D%2C%5B%22hint-activity%22%2C%220%22%2C201%5D%2C%5B%22hint-activity%22%2C%220%22%2C209%5D%2C%5B%22hint-activity%22%2C%220%22%2C212%5D%2C%5B%22hint-activity%22%2C%220%22%2C217%5D%2C%5B%22hint-activity%22%2C%220%22%2C219%5D%2C%5B%22hint-activity%22%2C%220%22%2C221%5D%5D)

[[[[0,3],[1,0],false,false,[0,-4],[1,0],true,false]]]

Mozilla/5.0 (Windows NT 6.1) AppleWebKit/535.7 (KHTML, like Gecko) Chrome/16.0.912.63 Safari/535.7

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