Mathematics 0580 · IGCSE · Proportion

Proportion — practice question

$y$ varies inversely as the square of $(x + 1)$. $y = 0.875$ when $x = 1$.
(main)[3]

Find $y$ for $x = 4$.

Worked solution & mark scheme

This 3-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Use $y=\frac{k}{(x+1)^2}$.” …

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