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23 February, 07:26

Which equation represents a direct variation? y = 2x

y = x + 4

y = 1/2x

y = 3/x

+2
Answers (1)
  1. 23 February, 07:28
    0
    The statement " a direct variation "

    means that when x increases, y increases

    We say that y varies directly with x if

    Y=kX

    k called the constant of variation

    the answer is

    y = 2x

    k=2
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