Khan/khan-exercises — Issue #4261: Midpoint formula - can't divide by zero
Author: KhanBugz
Created: 2011-10-13 00:44:31+00:00
State: open
Labels: chrome, win7

last i checked 2+ -2= 0 and you can't divide by zero, i'm not sure how my coordinates are wrong because when i was asked to find the midpoint between coordinate 2 and -2 i got it to be 0

[midpoint_formula.html?seed=111&problem=find-point](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/midpoint_formula.html?seed=111&problem=find-point)

[["0","6.5"],["2","6.5"],[".5","6.5"],["-2","6.5"],["0","6.5"]]

Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/535.1 (KHTML, like Gecko) Chrome/14.0.835.202 Safari/535.1

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