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14-12-2016
Mathematics

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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

Respuesta :

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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