Question

Y is inversely proportional to x

When y = 7 , x = 9
Work out an equation connecting y and x

Answer 1

Explanation:

'y' inversely proportional to 'x' means that:

y = k/x where 'k' is proportionality 'konstant'

7 = k/ 9

k = 63

then the equation is y = 63/x OR xy = 63