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

Question

Salma Porter

21 December, 04:12

+2

Answers (1)

Know the Answer?

Rex · Answer 1

Y varies as x

y=kx

y=12 when x=4

12=k4

divide 4

3=k

y=3x is equation

answer is B

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