(-3,-1), (-1,5)

find the slope of the line that passes through each pair of points
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1 Answer

The slope is the difference of the y coords divided by the difference between the x coords:

(5-(-1))/(-1-(-3))=6/2=3.

(This leads to the equation of the line y=3x+b where b is found by putting in (x,y) value: -1=3*(-3)+b; b=8, so y=3x+8.)

by Top Rated User (1.2m points)

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