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Direct and Inverse Proportion

Direct and Inverse Proportion

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Question 39

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

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 relationshipGraph letter
y y\,y is directly proportional to xxx
y y\,y is inversely proportional to xxx
y y\,y is directly proportional to x2x^2x2
y y\,y is inversely proportional to x2x^2x2
[2]
Markscheme

Direct and Inverse Proportion Questions

  1. GCSE
  2. /Maths
  3. /Direct and Inverse Proportion

164 exam-style questions on WJEC GCSE Maths Direct and Inverse Proportion. Each one has a worked solution and a mark scheme showing where the marks go.

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