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1.2.7 Algebra and Functions

1.2.7 Algebra and Functions

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Question 1
a.

Solve the inequality x2+8x>20x^2 + 8x > 20x2+8x>20, giving your answer in set notation.

[3]
b.

Find the set of values for x x\,x which satisfy both of the inequalities x2+8x>20x^2 + 8x > 20x2+8x>20 and 18+3x<23+x18 + 3x < 23 + x18+3x<23+x

[2]
Markscheme

1.2.7 Algebra and Functions Questions

  1. A Level
  2. /Maths
  3. /1.2.7 Algebra and Functions

8 exam-style questions on WJEC A Level Maths 1.2.7 Algebra and Functions. Each one has a worked solution and a mark scheme showing where the marks go.

Question bank