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23 August, 02:25

Which equation represents a direct variation?

a) y=2^x

b) y=x+4

c) y=1/2x

d) y=3/x

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Answers (1)
  1. 23 August, 02:48
    0
    The answer is c) y=1/2x because a direct variation is in the formula b=ka where k is a constant.
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