Question

The value of y varies directly with x . Find the value of k when y 33.6 and x = 4.2

Answer 1

k=8

Explanation:

Answer 2

k=8

Explanation:

Since y and x are in direct proportions, the equation is

y= kx, where k is a constant.

when y= 33.6, x=4.2,

33.6= k(4.2)

k= 33.6 ÷4.2

k=8