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Quadratics

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Question 49

The curve with equation y=px2−2px−py=px^2-2px-py=px2−2px−p, where p p\,p is a constant, does not intersect the line with equation y=2x−6y=2x-6y=2x−6.

a.

Show that 2p2−4p+1<02p^2-4p+1<02p2−4p+1<0.

[5]
b.

Find the set of possible values for ppp.

[3]
Markscheme

Quadratics Questions

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

322 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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