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6 May, 08:16

Which equation has a constant of proportionality equal to 9?

A) 3y = 3x

B) y = 9x

C) y = 3x

D) 9y = 2x

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Answers (1)
  1. 6 May, 08:28
    0
    Let y directly proportional to X

    thus y = CX

    where c is proportionality constant

    given c = 9

    thus y = 9x
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