Alissa Fong

MA, Stanford University
Teaching in the San Francisco Bay Area

Alissa is currently a teacher in the San Francisco Bay Area and Brightstorm users love her clear, concise explanations of tough concepts

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Direct Variation - Problem 3

Alissa Fong
Alissa Fong

MA, Stanford University
Teaching in the San Francisco Bay Area

Alissa is currently a teacher in the San Francisco Bay Area and Brightstorm users love her clear, concise explanations of tough concepts

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A direct variation relationship is where one variable increases as another increases. The two variables vary by some constant, called k. These relationships will always contain the point (0 , 0 ), because if you have zero of one variable, zero multiplied by k would still be zero. You can also think of them as y = mx + b relationships where the "b" value is zero and the slope is now called k.

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