Khan/khan-exercises — Issue #11409: Writing expressions 1 - error
Author: KhanBugz
Created: 2012-01-17 06:46:45+00:00
State: open
Labels: firefox, not-showing, xp

Reporter: keep_ip@msn.com

boaring have to uppdate the site to get to the next assighment

[writing_expressions_1.html?seed=76&problem=2](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/writing_expressions_1.html?seed=76&problem=2&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/writing_expressions_1.html?seed=76&problem=2&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5C%22None%20of%20the%20above.%5C%22%22%2C34%5D%2C%5B%22incorrect-activity%22%2C%22%5C%22%3Ccode%20style%3D%5C%5C%5C%22display%3A%20none%3B%5C%5C%5C%22%3E-7x%2B1%3C%2Fcode%3E%5C%22%22%2C9%5D%2C%5B%22incorrect-activity%22%2C%22%5C%22%3Ccode%20style%3D%5C%5C%5C%22display%3A%20none%3B%5C%5C%5C%22%3E7x-1%3C%2Fcode%3E%5C%22%22%2C6%5D%2C%5B%22correct-activity%22%2C%22%5C%22%3Ccode%20style%3D%5C%5C%5C%22display%3A%20none%3B%5C%5C%5C%22%3Ex-7%3C%2Fcode%3E%5C%22%22%2C2%5D%5D)

["None of the above.","-7x+1","7x-1","x-7"]

Mozilla/5.0 (Windows NT 5.1; rv:8.0) Gecko/20100101 Firefox/8.0

MathJax is loaded, ready, queue length: 0