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Reptile [31]
3 years ago
9

Proportional relationships! Need help on!

Mathematics
1 answer:
Jlenok [28]3 years ago
7 0
Direct variation has this equation:

y = kx

where k is the constant of variation

y = -5 ; x = -15

y = kx
-5 = k(-15)
-5/-15 = k
1/3 = k

Choice D. y = 1/3 x 
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