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21 August, 19:49

What is the direct variation equation if y varies directly with x and y = - 18 when x = 3?

a. y=-1/6x

b. y = - 3x

c. y = - 6x

d. y = - 15x

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Answers (1)
  1. 21 August, 23:34
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    C. y = - 6x

    if you substitute x by 3 it would be y = - 6*3 = - 18 (that's what you are given)
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