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

slope = $-1$
slope = $\dfrac{y_2-y_1}{x_2-x_1}$ where $(x_1, y_1)$ and $(x_2, y_2)$ are the coordinates of the two points on the line. Use the points on the line $(0, 2)$ and $(2, 0)$ to obtain: slope = $\dfrac{0-2}{2-0}=\dfrac{-2}{2}=-1$