# Chapter 8 - Polynomials and Factoring - 8-1 Adding and Subtracting Polynomials - Mixed Review - Page 479: 60

$m=-\frac{2}{5}$

#### Work Step by Step

To find the slope, we use the formula $m=\frac{y_2-y_1}{x_2-x_1}$. We plug in the $x$ and $y$ values shown in the graph: $m=\frac{0-2}{5-0}$ We simplify above and below the fraction bar with subtraction: $m=\frac{-2}{5}$ Then, we move the negative sign out front: $m=-\frac{2}{5}$

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