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O-LevelMathematicsAlgebra and graphs4024/11 · May/June 2018 · Q223 Marks

s = ³√(t+4)

  1. (a)Find s when t = 121.[1]
  2. (b)Rearrange the formula to make t the subject.[2]

Mark scheme

Marking points from the official mark scheme (May/June 2018). The mark or mark type is shown in brackets.

  1. [1] 5
  2. [2] t = s³ - 4
  3. B1 for s³ soi in final answer

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About this question

Topic
Algebra and graphs, O-Level Mathematics (syllabus 4024). Structured question, 3 marks.
Source
O-Level Mathematics, May/June 2018 Paper 1 Variant 1, question 22.

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