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Quadratics

Quadratics

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Question 38
a.

Express (x+3.5)2−10.25(x + 3.5)^2 - 10.25(x+3.5)2−10.25 in the form x2+ax+bx^2 + ax + bx2+ax+b

[2]
b.

State the coordinates of the minimum point of the curve y=x2+7x+2y = x^2 + 7x + 2y=x2+7x+2

[2]
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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