GCSE Secondary Maths Age 13-17 - Graphs: Speed / Time Graph - Explained

The video tutorial explains how to estimate the distance traveled by a car using a speed-time graph. The process involves dividing the graph into five equal strips, calculating the area of each strip (comprising trapeziums and a triangle), and summing these areas to find the total distance. The tutorial also discusses whether the estimate is an overestimate or underestimate, concluding it is an overestimate due to the curve being below the straight lines used in calculations.

What information is represented on the horizontal axis of the speed time graph?

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How can you estimate the distance traveled by the car using the speed time graph?

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What is the formula for calculating the area of a triangle as used in the quiz?

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Explain how to find the area of a trapezium based on the information given in the text.

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What was the total estimated distance traveled by the car according to the calculations?

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Is the calculated distance an underestimate or an overestimate? Provide a reason for your answer.

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What are the two key pieces of information that can be derived from a speed time graph?

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