Khan/khan-exercises — Issue #7466: Graphing inequalities - graphing inequallities
Author: KhanBugz
Created: 2011-12-01 17:02:36+00:00
State: open
Labels: ipad, safari, wrong-or-unclear

Reporter: brewsterlearnsmath@gmail.com

exercise refuses to accept as correct the answer that the hints say is correct--or any other answer, as near as I can tell. Inequality at issue is: 8x-10y is greater than or equal to 20.

[graphing_inequalities.html?seed=100&problem=0](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/graphing_inequalities.html?seed=100&problem=0&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/graphing_inequalities.html?seed=100&problem=0&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5B%5B-4.5%2C-6.5%5D%2C%5B7%2C5%5D%2Ctrue%2Ctrue%5D%22%2C339%5D%2C%5B%22hint-activity%22%2C%220%22%2C7%5D%2C%5B%22hint-activity%22%2C%220%22%2C12%5D%2C%5B%22hint-activity%22%2C%220%22%2C14%5D%2C%5B%22hint-activity%22%2C%220%22%2C18%5D%2C%5B%22hint-activity%22%2C%220%22%2C22%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5B-5%2C-6.5%5D%2C%5B7.5%2C4.5%5D%2Ctrue%2Ctrue%5D%22%2C77%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5B-5%2C-6.5%5D%2C%5B8.5%2C5%5D%2Ctrue%2Ctrue%5D%22%2C27%5D%2C%5B%22hint-activity%22%2C%220%22%2C9%5D%2C%5B%22hint-activity%22%2C%220%22%2C13%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5B-5.5%2C-6.5%5D%2C%5B8.5%2C5%5D%2Ctrue%2Ctrue%5D%22%2C47%5D%5D)

[[[-4.5,-6.5],[7,5],true,true],[[-5,-6.5],[7.5,4.5],true,true],[[-5,-6.5],[8.5,5],true,true],[[-5.5,-6.5],[8.5,5],true,true]]

Mozilla/5.0 (iPad; CPU OS 5_0_1 like Mac OS X) AppleWebKit/534.46 (KHTML, like Gecko) Version/5.1 Mobile/9A405 Safari/7534.48.3

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