Direct and Inverse Proportion

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The table shows pairs of values for $x\,$ and $y$

$x$	4	5
$y$	256	500

Tick the correct statement below.

$\propto x$
$\propto x^2$
$\propto x^3$

[2]

ii.

Write a formula for $y\,$ in terms of $x$

[2]

Direct and Inverse Proportion Questions

Practise Edexcel IGCSE Maths Direct and Inverse Proportion with exam-style questions for IGCSE Maths. 22 questions, matched to the Edexcel IGCSE Maths (4MA1) specification and written in Paper 1 and Paper 2 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.