Khan/khan-exercises — Issue #11139: Midpoint formula - doesn't help
Author: KhanBugz
Created: 2012-01-13 16:12:14+00:00
State: open
Labels: ie8, other, xp

explanations doesn,t help

[midpoint_formula.html?seed=10&problem=find-point](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/midpoint_formula.html?seed=10&problem=find-point&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/midpoint_formula.html?seed=10&problem=find-point&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5B%5C%22-2.75%5C%22%2C%5C%221.5%5C%22%5D%22%2C131%5D%2C%5B%22hint-activity%22%2C%220%22%2C2%5D%2C%5B%22hint-activity%22%2C%220%22%2C10%5D%2C%5B%22hint-activity%22%2C%220%22%2C13%5D%2C%5B%22hint-activity%22%2C%220%22%2C14%5D%2C%5B%22hint-activity%22%2C%220%22%2C15%5D%2C%5B%22hint-activity%22%2C%220%22%2C18%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5C%22--11%2F4%5C%22%2C%5C%223%2F2%5C%22%5D%22%2C46%5D%5D)

[["-2.75","1.5"],["--11/4","3/2"]]

Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0; .NET CLR 1.1.4322; .NET CLR 2.0.50727; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729; InfoPath.3)

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