Khan/khan-exercises — Issue #11432: Line relationships - line relationships
Author: KhanBugz
Created: 2012-01-17 17:22:23+00:00
State: open
Labels: hard, ie8, xp

i cant figure out this problem, so i am reporting it

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

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/line_relationships.html?seed=100&problem=perpendicular-graph&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5B%5C%222%2F3%5C%22%2C%5C%22-3%5C%22%5D%22%2C665%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5C%222%2F3%5C%22%2C%5C%22-3%5C%22%5D%22%2C13%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5C%222%2F3%5C%22%2C%5C%22-3%5C%22%5D%22%2C1%5D%2C%5B%22hint-activity%22%2C%220%22%2C1%5D%2C%5B%22hint-activity%22%2C%220%22%2C3%5D%2C%5B%22hint-activity%22%2C%220%22%2C4%5D%2C%5B%22hint-activity%22%2C%220%22%2C7%5D%2C%5B%22hint-activity%22%2C%220%22%2C8%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5C%222%2F3%5C%22%2C%5C%22-19%2F2%5C%22%5D%22%2C23%5D%5D)

[["2/3","-3"],["2/3","-3"],["2/3","-3"],["2/3","-19/2"]]

Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0; MathPlayer 2.10d; .NET CLR 1.1.4322; .NET CLR 2.0.50727; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729)

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