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O-LevelMathematicsAlgebra and graphs4024/12 · Oct/Nov 2020 · Q93 Marks

Simplify 3(3a-4) + 2(2-a).

  1. (a)Simplify 3(3a-4) + 2(2-a).[2]
  2. (b)Given that 4x = 3y, find the numerical value of (8x + y)/y.[1]

Mark scheme

Marking points from the official mark scheme (Oct/Nov 2020). The mark or mark type is shown in brackets.

  1. [2] 9(a) 7a-8 final answer
  2. M1 for final answer 7a+k or ka-8, for any k≠ 0
  3. or for 9a-12+4-2a seen
  4. [1] 9(b) 7

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About this question

Topic
Algebra and graphs, O-Level Mathematics (syllabus 4024). Structured question, 3 marks.
Source
O-Level Mathematics, Oct/Nov 2020 Paper 1 Variant 2, question 9.

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