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Which is the direct linear variation equation for the relationship? y varies directly with x and y = 12 when x = 4. A. y = 2x + 4 B. y = 3x C. y = x + 8 D. y = x – 8
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Which is the direct linear variation equation for the relationship?

y varies directly with x and y = 12 when x = 4.








A.

y = 2x + 4








B.
y = 3x





C.
y = x + 8





D.

y = x – 8

User Dan Radu
by
7.8k points

1 Answer

3 votes
y varies as x
y=kx
y=12 when x=4
12=k4
divide 4
3=k
y=3x is equation
answer is B
User Shrikant
by
8.1k points
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