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O-LevelMathematicsAlgebra and graphs4024/11 · Oct/Nov 2023 · Q194 Marks

The diagram shows the speed-time graph for part of a car journey. [Figure Speed-Time Graph]

  1. (a)Calculate the acceleration of the car in the first 10 seconds of the journey.[1]
  2. (b)The car travels 700 m in T seconds. Find the value of T.[3]

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Mark scheme

Marking points from the official mark scheme (Oct/Nov 2023). The mark or mark type is shown in brackets.

  1. [1] (a) 2
  2. [3] (b) 40
  3. [3] M2 for a correct equation in T, e.g. 20(T + T - 10)/2 = 700 or B2 for length of rectangle = 30 nfww or M1 for a correct method to find a relevant area under the graph e.g. 10x20/2 oe

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About this question

Topic
Algebra and graphs, O-Level Mathematics (syllabus 4024). Structured question, 4 marks.
Source
O-Level Mathematics, Oct/Nov 2023 Paper 1 Variant 1, question 19.

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