Khan/khan-exercises — Issue #7002: Graphing systems of equations - Answer is wrong
Author: KhanBugz
Created: 2011-11-24 01:49:01+00:00
State: open
Labels: chrome, vista, wrong-or-unclear

I was doing a problem in GRAPHING SYSTEMS OF EQUATIONS and I graphed the equation y=x+4 and y=-x-4 and the I got it wrong. I was pretty sure I was right so when I checked the answer i said i had to move 2 spaces to the right for a slope of 1

[graphing_systems_of_equations.html?seed=12&problem=slope-intercept](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/graphing_systems_of_equations.html?seed=12&problem=slope-intercept&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/graphing_systems_of_equations.html?seed=12&problem=slope-intercept&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5B%5C%224%5C%22%2C%5C%220%5C%22%2C%5B%5B0%2C4%5D%2C%5B1%2C5%5D%2C%5B0%2C-4%5D%2C%5B1%2C-5%5D%5D%5D%22%2C19%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5C%220%5C%22%2C%5C%224%5C%22%2C%5B%5B0%2C4%5D%2C%5B1%2C5%5D%2C%5B0%2C-4%5D%2C%5B1%2C-5%5D%5D%5D%22%2C11%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5C%22-4%5C%22%2C%5C%220%5C%22%2C%5B%5B0%2C4%5D%2C%5B1%2C5%5D%2C%5B0%2C-4%5D%2C%5B1%2C-5%5D%5D%5D%22%2C16%5D%2C%5B%22hint-activity%22%2C%220%22%2C15%5D%2C%5B%22hint-activity%22%2C%220%22%2C15%5D%2C%5B%22hint-activity%22%2C%220%22%2C15%5D%2C%5B%22hint-activity%22%2C%220%22%2C16%5D%2C%5B%22hint-activity%22%2C%220%22%2C16%5D%2C%5B%22hint-activity%22%2C%220%22%2C16%5D%2C%5B%22hint-activity%22%2C%220%22%2C16%5D%2C%5B%22hint-activity%22%2C%220%22%2C17%5D%2C%5B%22hint-activity%22%2C%220%22%2C17%5D%2C%5B%22hint-activity%22%2C%220%22%2C17%5D%5D)

[["4","0",[[0,4],[1.0000022888183597,5],[0,-4],[1.0000019073486328,-5.000006103515624]]],["0","4",[[0,4],[1.0000022888183597,5],[0,-4],[1.0000019073486328,-5.000006103515624]]],["-4","0",[[0,4],[1.0000022888183597,5],[0,-4],[1.0000019073486328,-5.000006103515624]]]]

Mozilla/5.0 (Windows NT 6.0) AppleWebKit/535.2 (KHTML, like Gecko) Chrome/15.0.874.121 Safari/535.2

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