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Quadratics

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Question 2
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The equation kx2+5x+k=0kx^2 + 5x + k = 0kx2+5x+k=0, where k k\,k is a positive constant has equal roots.

Find the value for kkk.

[3]

Quadratics Questions

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

Practise Edexcel A Level Maths Quadratics with exam-style questions for A Level Maths. 25 questions 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, matched to the Edexcel A Level Maths (9MA0) specification and written in Paper 1, Paper 2 and Paper 3 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.

Question bank