Big Ideas Math - Algebra 1, A Common Core Curriculum

Published by Big Ideas Learning LLC
ISBN 10: 978-1-60840-838-2
ISBN 13: 978-1-60840-838-2

Chapter 3 - Graphing Linear Functions - 3.5 - Graphing Linear Equations in Slope-Intercept Form - Exercises - Page 141: 5

Answer

The line falls from left to right. So, the slope is negative. Slope $m=-\frac{3}{5}$.

Work Step by Step

The line falls from left to right. So, the slope is negative. Let $(x_{1},y_{1})=(-3,1)$ and $(x_{2},y_{2})=(2,-2)$. Slope $m=\frac{y_{2}-y_{1}}{x_{2}-x_{1}}=\frac{-2-1}{2-(-3)}=\frac{-3}{5}=-\frac{3}{5}$.
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