Answer
See below.
Work Step by Step
The slope is the ratio of the vertical change to the horizontal change.
We know that by the Slope Formula: if $P_1(x_1,y_1)$ and $P_2(x_2,y_2)$ are on a line, then the slope is: $m=\frac{y_2-y_1}{x_2-x_1}$.
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