Khan/khan-exercises — Issue #14723: Graphing systems of equations - graphing systems
Author: KhanBugz
Created: 2012-02-27 14:24:13+00:00
State: open
Labels: ie8, other, win7

Reporter: hprescot@waukesha.k12.wi.us

The answer the explanation showed is exactly the same one we entered...we are doing this as a class and it hasn't worked much at all. In this specific instance we should have gotten (-3,0) and we DID enter x=-3 y=0 so we were right but the system didn't agree.

[graphing_systems_of_equations.html?seed=32&problem=slope-intercept](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/graphing_systems_of_equations.html?seed=32&problem=slope-intercept&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/graphing_systems_of_equations.html?seed=32&problem=slope-intercept&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5B%5C%22-3%5C%22%2C%5C%220%5C%22%2C%5B%5B0%2C3%5D%2C%5B1%2C4%5D%2C%5B0%2C-4%5D%2C%5B3%2C-8%5D%5D%5D%22%2C974%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5C%22-3%5C%22%2C%5C%220%5C%22%2C%5B%5B0%2C3%5D%2C%5B1%2C4%5D%2C%5B0%2C-4%5D%2C%5B3%2C-8%5D%5D%5D%22%2C12%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5C%22-3%5C%22%2C%5C%220%5C%22%2C%5B%5B0%2C3%5D%2C%5B1%2C4%5D%2C%5B0%2C-4%5D%2C%5B3%2C-8%5D%5D%5D%22%2C15%5D%2C%5B%22hint-activity%22%2C%220%22%2C3%5D%2C%5B%22hint-activity%22%2C%220%22%2C22%5D%2C%5B%22hint-activity%22%2C%220%22%2C24%5D%2C%5B%22hint-activity%22%2C%220%22%2C25%5D%2C%5B%22hint-activity%22%2C%220%22%2C26%5D%2C%5B%22hint-activity%22%2C%220%22%2C28%5D%2C%5B%22hint-activity%22%2C%220%22%2C30%5D%2C%5B%22hint-activity%22%2C%220%22%2C31%5D%2C%5B%22hint-activity%22%2C%220%22%2C32%5D%2C%5B%22hint-activity%22%2C%220%22%2C33%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5C%22-3%5C%22%2C%5C%220%5C%22%2C%5B%5B0%2C3%5D%2C%5B1%2C4%5D%2C%5B0%2C-4%5D%2C%5B3%2C-8%5D%5D%5D%22%2C148%5D%5D)

[["-3","0",[[0,3],[1,4],[0,-4],[3,-8]]],["-3","0",[[0,3],[1,4],[0,-4],[3,-8]]],["-3","0",[[0,3],[1,4],[0,-4],[3,-8]]],["-3","0",[[0,3],[1,4],[0,-4],[3,-8]]]]

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