Intro to slope (Full video)

Khan Academy

Supporting grades: 8

Description: Sal shows how to find the slope of a line. What's a reasonable way to assign a number to these lines that describe their steepness? Well one way to think about it, could say well, how much does a line increase in the vertical direction for a given increase in the horizontal direction? Now let's just start at an arbituary point in that magenta line.

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