Question

Suppose y varies directly with x, and y = 45 when x = - 15. What is the value of y when x = − 6 ?

Select one:
a. - 3
b. - 12
c. 18
d. 9

Answer 1

18

Explanation:

Y varies x

Y=kx

45 = -15k

K= -3

Y=kx

Y= -6 * -3

Y = 18