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1.1 Algebra and functions

1.1 Algebra and functions

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Question 69
70%
a.

Express 2x2+9x+k2x^2 + 9x + k2x2+9x+k in the form a(x+b)2+ca(x + b)^2 + ca(x+b)2+c

[3]
b.

Find the values of k k\,k for which the curve y=2x2+9x+ky = 2x^2 + 9x + ky=2x2+9x+k does not intersect the line y=2y = 2y=2

[3]
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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