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8 February, 10:49

Which of the following functions represents a direct variation?

A. y = x2

B. y = - 8x

C. y = - 2/x

D. y = x3

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Answers (1)
  1. 8 February, 11:02
    0
    It's B. Since the slope is - 8/1 x. Slope is rise/run. The other answers doesn't make sense since the x is put in a different place.
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