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Substitution

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Question 36

a=1a = 1a=1 b=−4b = -4b=−4 c=2c = 2c=2

Work out the value of b2−4acb^2 - 4acb2−4ac

[2]
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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