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1.1 Algebra and functions

1.1 Algebra and functions

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Question 17
82%
a.

Express x2+9x+3x^2 + 9x + 3x2+9x+3 in the form (x+a)2+b(x + a)^2 + b(x+a)2+b

[2]
b.

State the coordinates of the minimum point of the curve y=x2+9x+3y = x^2 + 9x + 3y=x2+9x+3

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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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