Mathematics 4024 · O Level · Ratio and proportion

Ratio and proportion — practice question

$y$ varies inversely with the square of $x$.

(main)[2]

If $y=3$ when $x=2$, find $y$ when $x=5$.

Worked solution & mark scheme

This 2-mark question has a full step-by-step worked solution and mark scheme. One marking point: “$\frac{12}{25}$” …