Mathematics 4024 · O Level · Proportion

Proportion — practice question

$y$ varies directly as $w^2$, while $x$ varies inversely as $w$. When $w = 10$, $y = 5$ and $x = 0.4$.

(main)[4]

Find $y$ expressed in terms of $x$. Give your answer in its simplest form.

Worked solution & mark scheme

This 4-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Accurate proportional argument” …