Khan Academy

Supporting grades: 8

Description: Learn to determine if the relationship described in a word problem is a function. Created by Sal Khan. They want to use an equation to express the relationship between the number of minutes they spend playing Super Bologna Man and the number of minutes they spend playing You Have to Cut the Wire. Let's define one variable for the amount of time, the number of minutes they spend playing Super Bologna Man. Let's define that as, well let's just say that's x.

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