The graph above shows the velocity of a car over 8 seconds.Name: Date:

1) Estimate the area under the curve between 1 and 5 seconds using 4 strips (include the correct units in your answer).

2) What does your answer to 1) represent?

3) Is this an overestimate or underestimate? Justify your answer

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2) The area under the curve represents the distance travelled.

3) Under-estimate as the area of each trapezium is below the curve.

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# Answers

1) Total area of 4 trapeziums = 15.5 + 22 + 27.5 + 32 = 97m2) The area under the curve represents the distance travelled.

3) Under-estimate as the area of each trapezium is below the curve.

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