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Direct and Inverse Proportion

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Question 6
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x x\,x is inversely proportional to the square root of y y\,y

When x=12,y=9x = 12, y = 9x=12,y=9

Find the value of x x\,x when y=81y = 81y=81

[3]
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Direct and Inverse Proportion Questions

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

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

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