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Mathematics 16 Online
OpenStudy (anonymous):

find the slope of the line through (-9,-10) and (-2,-5)

OpenStudy (mathstudent55):

For points (x1, y1) and (x2, y2), the slope of the the line that passes through them is: slope = m = (y2 - y1)/(x2 - x1) This is also known as the difference in y's over the difference in x's.

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