Khan/khan-exercises — Issue #6952: Equation of a hyperbola - a/b*c != a*c/b (?)
Author: KhanBugz
Created: 2011-11-23 03:13:20+00:00
State: open
Labels: chrome, wrong-or-unclear

Reporter: tiwoc@arcor.de

The following is _not_ accepted as an answer:
5/6(x+5)+1

The following _is_ accepted as an answer:
5(x+5)/6+1

However, both are equal and should be accepted.

[equation_of_a_hyperbola.html?seed=98&problem=0](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/equation_of_a_hyperbola.html?seed=98&problem=0&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/equation_of_a_hyperbola.html?seed=98&problem=0&debug&activity=%5B%5B%22hint-activity%22%2C%220%22%2C158%5D%2C%5B%22hint-activity%22%2C%220%22%2C259%5D%2C%5B%22hint-activity%22%2C%220%22%2C264%5D%2C%5B%22hint-activity%22%2C%220%22%2C265%5D%2C%5B%22hint-activity%22%2C%220%22%2C267%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5C%225%2F6(x%2B5\)%5C%22%5D%22%2C373%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5C%225%2F6(x%2B5)%2B1%5C%22%5D%22%2C8%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5C%225%2F6*(x%2B5)%2B1%5C%22%5D%22%2C6%5D%2C%5B%22correct-activity%22%2C%22%5B%5C%225(x%2B5)%2F6%2B1%5C%22%5D%22%2C9%5D%5D)

[["5/6(x+5)"],["5/6(x+5)+1"],["5/6*(x+5)+1"],["5(x+5)/6+1"]]

Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/535.1 (KHTML, like Gecko) Ubuntu/11.10 Chromium/14.0.835.202 Chrome/14.0.835.202 Safari/535.1

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