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Quadratics

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Question 15
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Prove that, for all values of xxx,

x2+4x+12>x+3 x^2 + 4x + 12 > x + 3 x2+4x+12>x+3
[4]
Markscheme

Quadratics Questions

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

37 exam-style questions on Edexcel AS 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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