Khan/khan-exercises — Issue #7673: Compound inequalities - Sign error
Author: KhanBugz
Created: 2011-12-03 20:35:17+00:00
State: open
Labels: firefox, win7, wrong-or-unclear

It seems to me that the first inequality implies y<-2 rather than y<2

[compound_inequalities.html?seed=199&problem=0](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/compound_inequalities.html?seed=199&problem=0&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/compound_inequalities.html?seed=199&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%5C%5C%5C%22%3Ey%26lt%3B2%3C%2Fcode%3E%3C%2Fspan%3E%5C%22%22%2C120%5D%5D)

["y<2"]

Mozilla/5.0 (Windows NT 6.1; WOW64; rv:8.0.1) Gecko/20100101 Firefox/8.0.1

MathJax is loaded, ready, queue length: 0