GCSE Secondary Maths Age 13-17 - Graphs: Distance-Time Graphs - Explained

The video tutorial explains how to estimate the speed of a car using a distance-time graph. It emphasizes the importance of drawing a tangent at the point of interest to calculate the speed, which is the gradient of the tangent. The tutorial details the method of calculating the gradient using the rise over run approach and discusses the acceptable range of answers for full marks. It highlights the necessity of understanding the concept of tangents and gradients in solving such problems.

What does the gradient of the tangent represent in the context of a distance-time graph?

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What range of answers is acceptable for the speed calculated from the graph?

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