Answer
$\frac{d-b}{c-a}$
Work Step by Step
Given:
points (a,b)and (c,d)
Slope of the segment = $\frac{y2-y1}{x2-x1}$
Let x1=a,y1=b,x2=c,y2=d
then slope = $\frac{d-b}{c-a}$
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