Khan/khan-exercises — Issue #6795: Midpoint formula - Page won't accept correct answer
Author: KhanBugz
Created: 2011-11-21 13:19:08+00:00
State: open
Labels: firefox, other

Reporter: abab5090@gmail,com

I've worked on this problem, got the correct answer and it was not accepted. So I went through all the hints and got the same answer. It till was not accepted, I even tried cutting and pasting it in from the hints, still no joy. All ideas gratefully accepted.

[midpoint_formula.html?seed=104&problem=find-point](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/midpoint_formula.html?seed=104&problem=find-point&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/midpoint_formula.html?seed=104&problem=find-point&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5B%5C%223.25%5C%22%2C%5C%22-3.5%5C%22%5D%22%2C81%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5C%223.5%5C%22%2C%5C%22-3.5%5C%22%5D%22%2C7%5D%2C%5B%22hint-activity%22%2C%220%22%2C4%5D%2C%5B%22hint-activity%22%2C%220%22%2C6%5D%2C%5B%22hint-activity%22%2C%220%22%2C30%5D%2C%5B%22hint-activity%22%2C%220%22%2C36%5D%2C%5B%22hint-activity%22%2C%220%22%2C43%5D%2C%5B%22hint-activity%22%2C%220%22%2C52%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5C%223.5%5C%22%2C%5C%22-3%5C%22%5D%22%2C66%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5C%223.5%5C%22%2C%5C%22-3%5C%22%5D%22%2C49%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5C%22-3%5C%22%2C%5C%223.5%5C%22%5D%22%2C11%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5C%223.5%5C%22%2C%5C%22%E2%88%923%5C%22%5D%22%2C76%5D%5D)

[["3.25","-3.5"],["3.5","-3.5"],["3.5","-3"],["3.5","-3"],["-3","3.5"],["3.5","−3"]]

Mozilla/5.0 (X11; U; Linux i686; en-GB; rv:1.9.2.24) Gecko/20111107 Ubuntu/10.04 (lucid) Firefox/3.6.24

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