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1.1 Algebra and functions

1.1 Algebra and functions

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Question 132

Consider the inequalities x2+8x>20x^2+8x>20x2+8x>20 and 18+3x<23+x18+3x<23+x18+3x<23+x.

a.

Solve x2+8x>20x^2+8x>20x2+8x>20.

[3]
b.

Find the values of x x\,x satisfying both inequalities.

[2]
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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