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Alecsey [184]
3 years ago
9

What is the direct variation equation if y varies directly with x and y = –9 when x = –45?

Mathematics
1 answer:
alekssr [168]3 years ago
7 0
Direct variation equation is y = kx ; k is the constant of variation.

y = -9
x = -45

-9 = k(-45)
-9/-45 = k
1/5 = k

y = 1/5x  CHOICE A.

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