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Match the vocabulary terms to the correct definition.

1. a function of the form y = kx, where k is not zero
direct variation
2. two quantities that increase or decrease (change) by the same factor; also known as directly related
constant of variation
3. the rate of change in a direct variation; also known as constant of proportionality
directly proportional

1 answer

Here are the vocabulary terms matched to their correct definitions:

  1. direct variation - a function of the form y = kx, where k is not zero
  2. directly proportional - two quantities that increase or decrease (change) by the same factor; also known as directly related
  3. constant of variation - the rate of change in a direct variation; also known as constant of proportionality