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  • 22-02-2016
  • Mathematics
Answered

PLEASE HELP

Which is the direct linear variational equation for the relationship? y varies directly with x and y = 12 when x = 4.

Ay = 2x + 4

By = 3x

Cy = x – 8

Dy = x + 8

Verified Answer :

Anonymous Anonymous
  • 22-02-2016

Direct variation equal is written as :  y = kx

K is the constant of variation. 

12 = k4
12/4 = k
k = 3

y = 3x

Answer: B. y = 3x 

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