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1.1 Algebra and functions

1.1 Algebra and functions

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Question 30
45%

The equation (k+5)x2+4x+(k+2)=0(k + 5)x^2 + 4x + (k + 2) = 0(k+5)x2+4x+(k+2)=0, where k k\,k is a constant has two distinct real solutions for xxx.

Find the set of possible values for kkk.

[6]
Markscheme

1.1 Algebra and functions Questions

  1. A Level
  2. /Maths
  3. /1.1 Algebra and functions

306 exam-style questions on CCEA A Level Maths 1.1 Algebra and functions, covering 1.1.1 Algebra and functions, 1.1.2 Algebra and functions, 1.1.3 Algebra and functions, 1.1.4 Algebra and functions, 1.1.5 Algebra and functions, 1.1.6 Algebra and functions, 1.1.7 Algebra and functions, 1.1.8 Algebra and functions, 1.1.9 Algebra and functions, 1.1.10 Algebra and functions, 1.1.11 Algebra and functions, 1.1.12 Algebra and functions, 1.1.13 Algebra and functions, and 1.1.14 Algebra and functions. Each one has a worked solution and a mark scheme showing where the marks go.

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