Khan/khan-exercises — Issue #8291: Graphing systems of inequalities - I think the problem is wrong
Author: KhanBugz
Created: 2011-12-10 06:09:50+00:00
State: open
Labels: chrome, snowleo, wrong-or-unclear

The problem is wrong i checked it on an app named grapher and it was different

[graphing_systems_of_inequalities.html?seed=109&problem=0](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/graphing_systems_of_inequalities.html?seed=109&problem=0&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/graphing_systems_of_inequalities.html?seed=109&problem=0&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5B%5B%5B2%2C0%5D%2C%5B0%2C-4%5D%2Cfalse%2Cfalse%2C%5B-2%2C5%5D%2C%5B0%2C4%5D%2Ctrue%2Cfalse%5D%5D%22%2C360%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5B%5B10%2C0%5D%2C%5B0%2C-4%5D%2Cfalse%2Cfalse%2C%5B-2%2C5%5D%2C%5B0%2C4%5D%2Ctrue%2Cfalse%5D%5D%22%2C194%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5B%5B10%2C0%5D%2C%5B0%2C-4%5D%2Cfalse%2Cfalse%2C%5B-2%2C5%5D%2C%5B0%2C4%5D%2Ctrue%2Cfalse%5D%5D%22%2C210%5D%2C%5B%22hint-activity%22%2C%220%22%2C16%5D%2C%5B%22hint-activity%22%2C%220%22%2C17%5D%2C%5B%22hint-activity%22%2C%220%22%2C17%5D%2C%5B%22hint-activity%22%2C%220%22%2C18%5D%2C%5B%22hint-activity%22%2C%220%22%2C18%5D%2C%5B%22hint-activity%22%2C%220%22%2C18%5D%2C%5B%22hint-activity%22%2C%220%22%2C18%5D%2C%5B%22hint-activity%22%2C%220%22%2C18%5D%2C%5B%22hint-activity%22%2C%220%22%2C18%5D%2C%5B%22hint-activity%22%2C%220%22%2C19%5D%2C%5B%22hint-activity%22%2C%220%22%2C19%5D%2C%5B%22hint-activity%22%2C%220%22%2C19%5D%2C%5B%22hint-activity%22%2C%220%22%2C19%5D%2C%5B%22hint-activity%22%2C%220%22%2C19%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5B%5B10%2C0%5D%2C%5B0%2C-4%5D%2Ctrue%2Cfalse%2C%5B-2%2C5%5D%2C%5B0%2C4%5D%2Ctrue%2Cfalse%5D%5D%22%2C109%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5B%5B10%2C0%5D%2C%5B0%2C-4%5D%2Ctrue%2Cfalse%2C%5B-2%2C5%5D%2C%5B0%2C4%5D%2Cfalse%2Cfalse%5D%5D%22%2C8%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5B%5B10%2C0%5D%2C%5B0%2C-4%5D%2Ctrue%2Cfalse%2C%5B-2%2C5%5D%2C%5B0%2C4%5D%2Ctrue%2Cfalse%5D%5D%22%2C6%5D%5D)

[[[[2,0],[0,-4],false,false,[-2,5],[0,4],true,false]],[[[10,0],[0,-4],false,false,[-2,5],[0,4],true,false]],[[[10,0],[0,-4],false,false,[-2,5],[0,4],true,false]],[[[10,0],[0,-4],true,false,[-2,5],[0,4],true,false]],[[[10,0],[0,-4],true,false,[-2,5],[0,4],false,false]],[[[10,0],[0,-4],true,false,[-2,5],[0,4],true,false]]]

Mozilla/5.0 (Macintosh; Intel Mac OS X 10_6_8) AppleWebKit/535.2 (KHTML, like Gecko) Chrome/15.0.874.121 Safari/535.2

MathJax is loaded, ready, queue length: 0