Answer
$m=3$
Work Step by Step
Using $m=\dfrac{y_1-y_2}{x_1-x_2}$ or the Slope Formula, then the slope of the line containing the given points, $(
3,0
) \text{ and } (
6,9
)$, is
\begin{array}{l}
m=\dfrac{0-9}{3-6}
\\\\
m=\dfrac{-9}{-3}
\\\\
m=3
.\end{array}
