O-LevelMathematicsAlgebra and graphs4024/11 · May/June 2014 · Q351 Mark

Two boats, one red and one blue, leave a harbour at the same time. They travel in the same direction. The speed-time graphs for the boats are shown, for the first minute of their journey. Find the acceleration of the blue boat in the last 10 seconds. [Figure 18]

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Mark scheme

Marking points from the official mark scheme (May/June 2014). The mark or mark type is shown in brackets.

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Topic: Algebra and graphs, O-Level Mathematics (syllabus 4024). Structured question, 1 mark.
Source: O-Level Mathematics, May/June 2014 Paper 1 Variant 1, question 35.

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