# Exam-Style Question on Graphs

## A mathematics exam-style question with a worked solution that can be revealed gradually

##### List Of QuestionsExam-Style QuestionMore Graphs QuestionsMore on this Topic

Question id: 367. This question is similar to one that appeared on a GCSE Higher paper in 2017. The use of a calculator is allowed.

The graph shows the temperature ($$T$$) of an unidentified flying object over a period of 10 seconds ($$t$$).

Use the graph to work out an estimate of the rate of decrease of temperature at 7 seconds. You must show your working.

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If you need more practice try the self-checking interactive exercises called Gradient of a Line.

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The exam-style questions appearing on this site are based on those set in previous examinations (or sample assessment papers for future examinations) by the major examination boards. The wording, diagrams and figures used in these questions have been changed from the originals so that students can have fresh, relevant problem solving practice even if they have previously worked through the related exam paper.

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