Khan/khan-exercises — Issue #6631: Compound inequalities - WRONG ANSWER
Author: KhanBugz
Created: 2011-11-18 15:38:14+00:00
State: open
Labels: chrome, win7, wrong-or-unclear

Reporter: georgescug@gmail.com

Solve for x:

−6x<6 or −7x≤35
recognised answer is x≥−5 witch is wrong because for x=-3 --> -6(-3)=18 does not <6. corect answer is x >-1

[compound_inequalities.html?seed=89&problem=0](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/compound_inequalities.html?seed=89&problem=0&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/compound_inequalities.html?seed=89&problem=0&debug&activity=%5B%5B%22correct-activity%22%2C%22%5C%22%3Cspan%20data-else-if%3D%5C%5C%5C%22IS_OR%20%26amp%3B%26amp%3B%20CONTAINS%5C%5C%5C%22%3E%3Ccode%20style%3D%5C%5C%5C%22display%3A%20none%3B%20%5C%5C%5C%22%3Ex%E2%89%A5-5%3C%2Fcode%3E%3C%2Fspan%3E%5C%22%22%2C237%5D%5D)

["x≥-5"]

Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/535.2 (KHTML, like Gecko) Chrome/15.0.874.120 Safari/535.2

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