UCSI INTERNATIONAL SCHOOL Graphs in Real Life Contexts 4.2.16 53 min 47 marks 1. NOT TO SCALE The diagram shows the graph of Rachel’s journey on a motorway. Starting at she drove 24 kilometres to at a constant speed. A, B Between and she had to drive slowly through road works. B C At she drove a further distance to at her original speed. C D For how many minutes was she driving through the road works? min [1] Answer (a) ………………… At what speed did she drive through the road works? Give your answer in kilometres / minute, Answer (b)(i) ………..… km/min [1] (ii) kilometres / hour. (ii) Answer (b) ……………… km/h [1] (c) What is the total distance from to A D? Answer (c) ………..….……… km [2]
UCSI INTERNATIONAL SCHOOL Graphs in Real Life Contexts 4.2.16 53 min 47 marks 1. NOT TO SCALE The diagram shows the graph of Rachel’s journey on a motorway. Starting at A, she drove 24 kilometres to B at a constant speed. Between B and C she had to drive slowly through road works. At C she drove a further distance to D at her original speed. For how many minutes was she driving through the road works? Answer (a) ………………… min [1] At what speed did she drive through the road works? Give your answer in kilometres / minute, Answer (b)(i) ………..… km/min [1] (ii) kilometres / hour. Answer (b) (ii) ……………… km/h [1] (c) What is the total distance from A to D? Answer (c) ………..….……… km [2]
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