## Calculus with Applications (10th Edition)

Published by Pearson

# Chapter 1 - Linear Functions - 1.1 Slopes and Equations of Lines - 1.1 Exercises - Page 13: 1

#### Answer

$m=\dfrac{3}{5}$

#### Work Step by Step

Through $(4,5)$ and $(-1,2)$ The slope of a line is given by $m=\dfrac{y_{2}-y_{1}}{x_{2}-x_{1}}$, where $(x_{1},y_{1})$ and $(x_{2},y_{2})$ are points through which the line passes. Substitute the points given into the formula and evaluate: $m=\dfrac{2-5}{-1-4}=\dfrac{-3}{-5}=\dfrac{3}{5}$

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