Direct and Inverse Proportion

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Four graphs are shown below representing the proportionality between $y\,$ and $x$ .

Graph W W

Graph X X

Graph Y Y

Graph Z Z

Note: Graph W is a straight line through the origin, Graph X is a curve that is asymptotic to the axes, Graph Y is a curve asymptotic to the axes that decreases faster than X, and Graph Z is a parabolic curve.

Match each graph with a statement in the table below.

Proportionality relationship	Graph letter
$y\,$ is directly proportional to $x$
$y\,$ is inversely proportional to $x$
$y\,$ is directly proportional to $x^2$
$y\,$ is inversely proportional to $x^2$

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Direct and Inverse Proportion Questions

Practise OCR GCSE Maths Direct and Inverse Proportion with exam-style questions for Foundation and Higher tier. 96 questions, matched to the OCR GCSE Maths (J560) specification and written in the written papers 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.