Chapter 8 - Coordinate Geometry and Linear Systems - 8.3 - Slope of a Line - Problem Set 8.3 - Page 349: 1

$m=\dfrac{3}{4}$

Using $m=\dfrac{y_1-y_2}{x_1-x_2}$, the slope of the line determined by the given points, $( 7,5 ) \text{ and } ( 3,2 ),$ is \begin{array}{l}\require{cancel} m=\dfrac{5-2}{7-3} \\\\ m=\dfrac{3}{4} .\end{array}