Improving the estimate of the gradient of a curve
Lesson 2 / 17
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Lesson outcome
I can improve the estimate of the gradient by considering the gradient of the tangent at a fixed point.
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Since the gradient is improved by moving the points closer together, you could consider a point.
By drawing the tangent to the graph at a given point, you can estimate the gradient at that point.
The gradient at that point is estimated by calculating the gradient of the tangent.
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