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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 graph of y=x2+2(k−1)x+k2+3y=x^2+2(k-1)x+k^2+3y=x2+2(k−1)x+k2+3 lies wholly above the xxx-axis, where k k\,k is a constant.

Find the set of possible values of kkk.

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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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