Question

x = 108 and y = 3, given that x is directly related to the square of y. If x= 12, what is the value of y?

Answer 1

1

Explanation:

x = ky², where k is a constant.

108 = k(3)² = 9k

k = 108/9 = 12.

x = ky²

12 = 12y²

y = 1