Answered

Suppose y varies directly as x, and Y=80 when x=16 . Which of the following statements is true?



AThe constant of variation is 5.


BThe variable y does not vary directly with x.


CThe constant of variation is -5.


DThe constant of variation is 1/5.

Verified Answer :

Panoyin

The following answer is B because it shows that it has to multiply the x - axis by the slope (5) to make sure that it can be equat to the y - axis.

y = 5x
y =5(16)
y = 80

(x, y) = (16, 80)