Question

When x = 4, y = 1/2

Work out the value of y when x = 2

Answer 1

Proportion

$$\dfrac{4}{1/2}=\dfrac{2}{a}$$

$$a=\dfrac{2(1/2)}{4}$$

$$a=\dfrac{1}{4}$$

When x = 2, y = 1/4