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Substitution

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Question 109

a=8a = 8a=8 b=−5b = -5b=−5 c=2c = 2c=2

Verify that the value of b2−4acb^2 - 4acb2−4ac is -39

[2]
Markscheme

Substitution Questions

  1. GCSE
  2. /Maths
  3. /Substitution

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

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