Slope of secant lines

Autor:Diana Braun

What is the slope of the tangent line at x=1 fo f(x)=3x-x^2? Let's look at the average rate of change between (1,f(1)) and the following points. What do you notice?

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Practice Slope of a Line Segment
Exploring the relation between area of a triangle and a parallelogram drawn on the same base and between same parallels
Polygons with angles
Equations of Circles
Identifying Parts of an Angle

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