## Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

$m=\dfrac{1}{10}$
The slope $m$ of the line containing the points $(x_1, y_1)$ and $(x_2, y_2)$ is given by the formula: $m=\dfrac{y_2-y_1}{x_2-x_1}$ Use the formula above to obtain: $m=\dfrac{3-4}{-9-1}=\dfrac{-1}{-10} =\dfrac{1}{10}$