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For the data in the table, does y vary directly with x? If it does, write an equation for the direct variation.

x y
2 5
6 15
18 45

1. yes, y=0.4x
2. yes, y=10x
3. yes, y=2.5x
4. no, y does not vary directly with x

Respuesta :

Choice 3

5/2, 15/6 divide by 3 = 5/2. 45/18 divide by 9 5/2
XxLostAndBrokenxX
Yes, there is a direct variation.. if you plug in, the equation will be y=1.625x
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2 -5
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3 -7.5
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y = 2.5x

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