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1.5.3 Quadratic functions

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Question 9
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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

1.5.3 Quadratic functions Questions

  1. A Level
  2. /Maths
  3. /1.5.3 Quadratic functions

63 exam-style questions on AQA A Level Maths 1.5.3 Quadratic functions. Each one has a worked solution and a mark scheme showing where the marks go.

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