Question

Y is inversely proportional to the square of x.

When x=3, y=8

Work out an equation connecting y and x.

Answer 1

Explanation:

x²y = k, where k is a real constant.

When x = 3, y = 8.

Therefore k = (3²)(8) = 72.

The equation is x²y = 72 or y = 72/x².