Khan/khan-exercises — Issue #7664: Solving for the x-intercept - answered correctly, but says I'm wrong
Author: KhanBugz
Created: 2011-12-03 17:57:37+00:00
State: open
Labels: lion, other, safari

answer i plugged in sure looks like the answer given after using all the hints, but still gives me the frown face!

[solving_for_the_x-intercept.html?seed=112&problem=0](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/solving_for_the_x-intercept.html?seed=112&problem=0&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/solving_for_the_x-intercept.html?seed=112&problem=0&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5B%5C%22(-4.0\)%5C%22%5D%22%2C23%5D%2C%5B%22hint-activity%22%2C%220%22%2C40%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5C%22(-4.0)%5C%22%5D%22%2C66%5D%2C%5B%22hint-activity%22%2C%220%22%2C108%5D%2C%5B%22hint-activity%22%2C%220%22%2C117%5D%2C%5B%22hint-activity%22%2C%220%22%2C124%5D%2C%5B%22hint-activity%22%2C%220%22%2C131%5D%2C%5B%22hint-activity%22%2C%220%22%2C139%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5C%22(-4.0)%5C%22%5D%22%2C150%5D%5D)

[["(-4.0)"],["(-4.0)"],["(-4.0)"]]

Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_2) AppleWebKit/534.51.22 (KHTML, like Gecko) Version/5.1.1 Safari/534.51.22

MathJax is loaded, ready, queue length: 0