bradleycoffee
bradleycoffee bradleycoffee
  • 14-12-2016
  • Mathematics
contestada

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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mathssydney
mathssydney mathssydney
  • 14-12-2016
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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