y is inversely proportional to the square of x.

A table of values for x and y is shown.

Х| 1 2 3 4
Y| 4 1 4/9 1/4

a) Express y in terms of x.
b) Work out the positive value of x when y = 25

y is inversely proportional to the square of x A table of values for x and y is shown Х 1 2 3 4 Y 4 1 49 14 a Express y in terms of x b Work out the positive va class=