Khan/khan-exercises — Issue #8350: Graphing inequalities 2 - graphing inequalities 2
Author: KhanBugz
Created: 2011-12-11 16:38:55+00:00
State: open
Labels: ie8, ie9, vista, wrong-or-unclear

it wont work

[graphing_inequalities_2.html?seed=170&problem=0](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/graphing_inequalities_2.html?seed=170&problem=0&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/graphing_inequalities_2.html?seed=170&problem=0&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5B%5B%5B-5%2C5%5D%2C%5B5%2C5%5D%2Cfalse%2Ctrue%5D%2C%5B%5C%22(7%2C%E2%88%923\)%C2%A0(7%2C%20-3\)%20is%20a%20solution%5C%22%2C%5C%22%5C%22%5D%5D%22%2C161%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5B%5B-5%2C5%5D%2C%5B5%2C5%5D%2Cfalse%2Ctrue%5D%2C%5B%5C%22(7%2C%E2%88%923\)%C2%A0(7%2C%20-3\)%20is%20a%20solution%5C%22%2C%5C%22%5C%22%5D%5D%22%2C1%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5B%5B-5%2C5%5D%2C%5B5%2C5%5D%2Cfalse%2Ctrue%5D%2C%5B%5C%22(7%2C%E2%88%923\)%C2%A0(7%2C%20-3\)%20is%20a%20solution%5C%22%2C%5C%22%5C%22%5D%5D%22%2C1%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5B%5B-5%2C5%5D%2C%5B5%2C5%5D%2Cfalse%2Ctrue%5D%2C%5B%5C%22(7%2C%E2%88%923\)%C2%A0(7%2C%20-3\)%20is%20a%20solution%5C%22%2C%5C%22%5C%22%5D%5D%22%2C1%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5B%5B-5%2C5%5D%2C%5B5%2C5%5D%2Cfalse%2Ctrue%5D%2C%5B%5C%22(7%2C%E2%88%923\)%C2%A0(7%2C%20-3\)%20is%20a%20solution%5C%22%2C%5C%22%5C%22%5D%5D%22%2C1%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5B%5B-5%2C5%5D%2C%5B5%2C5%5D%2Cfalse%2Ctrue%5D%2C%5B%5C%22(7%2C%E2%88%923\)%C2%A0(7%2C%20-3\)%20is%20a%20solution%5C%22%2C%5C%22%5C%22%5D%5D%22%2C1%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5B%5B-5%2C5%5D%2C%5B5%2C5%5D%2Cfalse%2Ctrue%5D%2C%5B%5C%22(7%2C%E2%88%923\)%C2%A0(7%2C%20-3\)%20is%20a%20solution%5C%22%2C%5C%22%5C%22%5D%5D%22%2C0%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5B%5B-5%2C5%5D%2C%5B5%2C5%5D%2Cfalse%2Ctrue%5D%2C%5B%5C%22(7%2C%E2%88%923\)%C2%A0(7%2C%20-3\)%20is%20a%20solution%5C%22%2C%5C%22%5C%22%5D%5D%22%2C1%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5B%5B-5%2C5%5D%2C%5B5%2C5%5D%2Cfalse%2Ctrue%5D%2C%5B%5C%22(7%2C%E2%88%923\)%C2%A0(7%2C%20-3\)%20is%20a%20solution%5C%22%2C%5C%22%5C%22%5D%5D%22%2C1%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5B%5B-5%2C5%5D%2C%5B5%2C5%5D%2Cfalse%2Ctrue%5D%2C%5B%5C%22(7%2C%E2%88%923\)%C2%A0(7%2C%20-3\)%20is%20a%20solution%5C%22%2C%5C%22%5C%22%5D%5D%22%2C0%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5B%5B-5%2C5%5D%2C%5B5%2C5%5D%2Cfalse%2Ctrue%5D%2C%5B%5C%22(7%2C%E2%88%923\)%C2%A0(7%2C%20-3\)%20is%20a%20solution%5C%22%2C%5C%22%5C%22%5D%5D%22%2C1%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5B%5B-5%2C5%5D%2C%5B5%2C5%5D%2Ctrue%2Ctrue%5D%2C%5B%5C%22(7%2C%E2%88%923\)%C2%A0(7%2C%20-3\)%20is%20a%20solution%5C%22%2C%5C%22%5C%22%5D%5D%22%2C53%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5B%5B-5%2C5%5D%2C%5B5%2C5%5D%2Ctrue%2Ctrue%5D%2C%5B%5C%22%5C%22%2C%5C%22(%E2%88%926%2C1\)%C2%A0(-6%2C%201\)%20is%20a%20solution%5C%22%5D%5D%22%2C7%5D%2C%5B%22hint-activity%22%2C%220%22%2C40%5D%2C%5B%22hint-activity%22%2C%220%22%2C41%5D%2C%5B%22hint-activity%22%2C%220%22%2C42%5D%2C%5B%22hint-activity%22%2C%220%22%2C43%5D%2C%5B%22hint-activity%22%2C%220%22%2C44%5D%2C%5B%22hint-activity%22%2C%220%22%2C44%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5B%5B-5%2C5%5D%2C%5B5%2C5%5D%2Ctrue%2Ctrue%5D%2C%5B%5C%22%5C%22%2C%5C%22%5C%22%5D%5D%22%2C98%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5B%5B-5%2C5%5D%2C%5B5%2C5%5D%2Ctrue%2Ctrue%5D%2C%5B%5C%22%5C%22%2C%5C%22(%E2%88%926%2C1\)%C2%A0(-6%2C%201\)%20is%20a%20solution%5C%22%5D%5D%22%2C2%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5B%5B-5%2C5%5D%2C%5B5%2C5%5D%2Ctrue%2Ctrue%5D%2C%5B%5C%22(7%2C%E2%88%923\)%C2%A0(7%2C%20-3\)%20is%20a%20solution%5C%22%2C%5C%22(%E2%88%926%2C1\)%C2%A0(-6%2C%201\)%20is%20a%20solution%5C%22%5D%5D%22%2C2%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5B%5B-5%2C5%5D%2C%5B5%2C5%5D%2Ctrue%2Ctrue%5D%2C%5B%5C%22(7%2C%E2%88%923\)%C2%A0(7%2C%20-3\)%20is%20a%20solution%5C%22%2C%5C%22%5C%22%5D%5D%22%2C2%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5B%5B-5%2C5%5D%2C%5B5%2C5%5D%2Cfalse%2Ctrue%5D%2C%5B%5C%22(7%2C%E2%88%923\)%C2%A0(7%2C%20-3\)%20is%20a%20solution%5C%22%2C%5C%22%5C%22%5D%5D%22%2C5%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5B%5B-5%2C5%5D%2C%5B5%2C5%5D%2Cfalse%2Ctrue%5D%2C%5B%5C%22%5C%22%2C%5C%22(%E2%88%926%2C1\)%C2%A0(-6%2C%201\)%20is%20a%20solution%5C%22%5D%5D%22%2C2%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5B%5B-5%2C5%5D%2C%5B5%2C5%5D%2Ctrue%2Ctrue%5D%2C%5B%5C%22(7%2C%E2%88%923\)%C2%A0(7%2C%20-3\)%20is%20a%20solution%5C%22%2C%5C%22%5C%22%5D%5D%22%2C21%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5B%5B-5%2C5%5D%2C%5B5%2C5%5D%2Cfalse%2Ctrue%5D%2C%5B%5C%22(7%2C%E2%88%923\)%C2%A0(7%2C%20-3\)%20is%20a%20solution%5C%22%2C%5C%22%5C%22%5D%5D%22%2C115%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5B%5B-5%2C5%5D%2C%5B5%2C5%5D%2Cfalse%2Ctrue%5D%2C%5B%5C%22(7%2C%E2%88%923\)%C2%A0(7%2C%20-3\)%20is%20a%20solution%5C%22%2C%5C%22%5C%22%5D%5D%22%2C54%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5B%5B-5%2C5%5D%2C%5B5%2C5%5D%2Ctrue%2Ctrue%5D%2C%5B%5C%22(7%2C%E2%88%923\)%C2%A0(7%2C%20-3\)%20is%20a%20solution%5C%22%2C%5C%22%5C%22%5D%5D%22%2C7%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5B%5B-5%2C5%5D%2C%5B5%2C5%5D%2Ctrue%2Cfalse%5D%2C%5B%5C%22(7%2C%E2%88%923\)%C2%A0(7%2C%20-3\)%20is%20a%20solution%5C%22%2C%5C%22%5C%22%5D%5D%22%2C4%5D%2C%5B%22incorrect-activity%22%2C%22%5B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