Math CentralQuandaries & Queries


Question from Mak, a student:

what is the ratio of the rise to run?

Hi Mak

Take two different points A and B on a line as in the diagram below.


The rise is the difference between the -coordinates of the two points and the run is the difference between their x-coordinates. The ratio of the rise to the run is called the slope of the line. This is often designated by the letter m so

the slope of the line = m = rise/run.


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