Khan/khan-exercises — pull request #8319 by Sligo (2011-12-11 00:11:54+00:00)
Title: 2x2 Determinants Exercise

Hi, this is my first attempt at a new exercise, and it's on finding 2x2 Determinants. I've tried to follow Sal's video guide to a 2x2 Determinants exercise.

Any feedback would be greatly appreciated.

Module is here: http://sandcastle.khanacademy.org/media/castles/Sligo:master/exercises/2x2_determinants.html