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Quadratics

Quadratics

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Question 33

Show that the equation 2x2+5=6x2x^2 + 5 = 6x2x2+5=6x has no real roots. Hence state the minimum value of 2x2−6x+52x^2 - 6x + 52x2−6x+5.

[5]
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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