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O-LevelMathematicsAlgebra and graphs4024/11 · Oct/Nov 2015 · Q103 Marks

Here is a list of numbers. -8 -5 -3 -2 0 2 4 9

  1. (a)Write down two numbers from the list that have a difference of 10.[1]
  2. (b)Find the sum of the numbers in the list.[1]
  3. (c)It is given that -4 < 2x ≤ 7 . Write down all the numbers from the list which satisfy this inequality.[1]

Mark scheme

Marking points from the official mark scheme (Oct/Nov 2015). The mark or mark type is shown in brackets.

  1. [1] (a) -8 and 2
  2. [1] (b) -3
  3. [1] (c) -2, 0, 2 all three

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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 2015 Paper 1 Variant 1, question 10.

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