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Direct and Inverse Proportion

Direct and Inverse Proportion

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12
Question 2
a.

y y\,y is inversely proportional to the cube of x x\,x

When y=16y = 16y=16, x=0.5x = 0.5x=0.5

Using y=kx3\displaystyle y = \frac{k}{x^3}y=x3k​, find the value of kkk.

[1]
b.

Hence find the value of y y\,y when x=1x = 1x=1

[2]
Markscheme

Direct and Inverse Proportion Questions

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

164 exam-style questions on CCEA 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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