Mathematics 0580 · IGCSE · Ratio and proportion

Ratio and proportion — practice question

$p$ varies inversely with the square of $(q + 4)$. When $q = 2$, $p = 2$.

(main)[3]

Find the corresponding value of $p$ when $q = -2$.

Worked solution & mark scheme

This 3-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Either $p=(2+4)^{2}$ or $2(2+4)^{2}$” …