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1.2.5 Discriminant of a quadratic

1.2.5 Discriminant of a quadratic

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Question 1

The equation x2−(k+1)x+2k=0x^2-(k+1)x+2k=0x2−(k+1)x+2k=0 has a repeated root.

Find the two possible values of k k\,k and the corresponding repeated root in each case. Show that both repeated roots are positive.

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Markscheme

1.2.5 Discriminant of a quadratic Questions

  1. A Level
  2. /Maths
  3. /1.2.5 Discriminant of a quadratic

8 exam-style questions on OCR (MEI) A Level Maths 1.2.5 Discriminant of a quadratic. Each one has a worked solution and a mark scheme showing where the marks go.

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