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Mathematics 21 Online
OpenStudy (anonymous):

What is the slope of the line which passes through (1, –2) and (–1, 6)?

OpenStudy (anonymous):

-4

OpenStudy (anonymous):

To find the slope you take (y2-y1)/(x2-x1). So in this case, (6+2)/(-1-1) = 8/-2 = -4

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