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Changing the Subject of a Formula

Changing the Subject of a Formula

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Question 109

a=5+cb\displaystyle a = \frac{5 + c}{b}a=b5+c​

a.

Make b b\,b the subject of the formula.

[2]
b.

Hence, work out the value of b b\,b when a=4a = 4a=4 and c=7c = 7c=7.

[1]
Markscheme

Changing the Subject of a Formula Questions

  1. GCSE
  2. /Maths
  3. /Changing the Subject of a Formula

210 exam-style questions on Eduqas GCSE Maths Changing the Subject of a Formula. Each one has a worked solution and a mark scheme showing where the marks go.

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