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1.5.3 Quadratic functions

1.5.3 Quadratic functions

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Question 11

The equation 2x2+kx+8=02x^2 + kx + 8 = 02x2+kx+8=0, where k k\,k is a positive constant, has equal roots.

Find the value of kkk.

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Markscheme

1.5.3 Quadratic functions Questions

  1. A Level
  2. /Maths
  3. /1.5.3 Quadratic functions

63 exam-style questions on AQA A Level Maths 1.5.3 Quadratic functions. Each one has a worked solution and a mark scheme showing where the marks go.

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