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Substitution

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Question 58
a.

q=4p+5rq = 4p + 5rq=4p+5r

p=7p = 7p=7 r=−3r = -3r=−3

Work out the value of qqq.

[2]
b.

Hence, work out the value of q2q^2q2.

[1]
Markscheme

Substitution Questions

  1. GCSE
  2. /Maths
  3. /Substitution

296 exam-style questions on OCR GCSE Maths Substitution. Each one has a worked solution and a mark scheme showing where the marks go.

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