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1.4.3 Completing the square for a quadratic curve

1.4.3 Completing the square for a quadratic curve

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Question 1

Prove that, for all real values of xxx, x2+4x+12>x+3x^2 + 4x + 12 > x + 3x2+4x+12>x+3

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Markscheme

1.4.3 Completing the square for a quadratic curve Questions

  1. A Level
  2. /Maths
  3. /1.4.3 Completing the square for a quadratic curve

8 exam-style questions on OCR (MEI) A Level Maths 1.4.3 Completing the square for a quadratic curve. Each one has a worked solution and a mark scheme showing where the marks go.

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