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Quadratics

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Question 91

f(x)=2x2+8x+1f(x) = 2x^2 + 8x + 1f(x)=2x2+8x+1

Verify that

f(x)=2(x+2)2−7 f(x) = 2(x + 2)^2 - 7 f(x)=2(x+2)2−7
[4]
Markscheme

Quadratics Questions

  1. A Level
  2. /Maths
  3. /Quadratics

211 exam-style questions on Edexcel A Level Maths Quadratics, covering 2.1 Solving Quadratics, 2.2 Completing the Square, 2.3 Sketching Quadratic Graphs, 2.4 The Discriminant, and 2.5 Modelling with Quadratics. Each one has a worked solution and a mark scheme showing where the marks go.

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