Khan/khan-exercises — Issue #11391: Graphing systems of equations - This isn't working!
Author: KhanBugz
Created: 2012-01-17 02:04:48+00:00
State: open
Labels: chrome, win7, wrong-or-unclear

I've entered int eh right answer a ton of times, so I finally figured, ok, maybe it's ME who got it wrong, so I clicked the 'show me the solution' and use that as my answer (my graph is right) and look! That answer isn't right either! I can't figure this out! I've tried several different possible and said answers. Fix this please! This is the 3rd time it's happened to me!

[graphing_systems_of_equations.html?seed=96&problem=standard](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/graphing_systems_of_equations.html?seed=96&problem=standard&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/graphing_systems_of_equations.html?seed=96&problem=standard&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5B%5C%223%5C%22%2C%5C%2211%5C%22%2C%5B%5B-1%2C1.5%5D%2C%5B0%2C4%5D%2C%5B-1%2C-9%5D%2C%5B0%2C-4%5D%5D%5D%22%2C1210%5D%2C%5B%22hint-activity%22%2C%220%22%2C2%5D%2C%5B%22hint-activity%22%2C%220%22%2C2%5D%2C%5B%22hint-activity%22%2C%220%22%2C2%5D%2C%5B%22hint-activity%22%2C%220%22%2C3%5D%2C%5B%22hint-activity%22%2C%220%22%2C3%5D%2C%5B%22hint-activity%22%2C%220%22%2C3%5D%2C%5B%22hint-activity%22%2C%220%22%2C3%5D%2C%5B%22hint-activity%22%2C%220%22%2C3%5D%2C%5B%22hint-activity%22%2C%220%22%2C3%5D%2C%5B%22hint-activity%22%2C%220%22%2C3%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%2C4%5D%2C%5B%22hint-activity%22%2C%220%22%2C5%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5C%223%5C%22%2C%5C%2211%5C%22%2C%5B%5B-1%2C1%5D%2C%5B0%2C4%5D%2C%5B-1%2C-9%5D%2C%5B0%2C-4%5D%5D%5D%22%2C29%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5C%22-1%5C%22%2C%5C%221%5C%22%2C%5B%5B-1%2C1%5D%2C%5B0%2C4%5D%2C%5B-1%2C-9%5D%2C%5B0%2C-4%5D%5D%5D%22%2C12%5D%5D)

[["3","11",[[-1,1.5],[0,4],[-1,-9],[0,-4]]],["3","11",[[-1,1],[0,4],[-1,-9],[0,-4]]],["-1","1",[[-1,1],[0,4],[-1,-9],[0,-4]]]]

Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/535.7 (KHTML, like Gecko) Chrome/16.0.912.75 Safari/535.7

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