Answer
The first point is shown in green; the second is orange.
$m=\frac{3}{7}$
Work Step by Step
$m=\frac{y_2-y_1}{x_2-x_1}$
$m=\frac{2.5-1}{5-1.5}$
$m=\frac{1.5}{3.5}$
$m=\frac{3}{7}$
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