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

Published by Pearson

# Chapter 3 - Introduction to Graphing - 3.7 Point-Slope Form and Equations of Lines - 3.7 Exercise Set: 44

#### Answer

$y=2.3x-14.2$

#### Work Step by Step

Using $y-y_1=m(x-x_1)$ or the Point-Slope form where $m$ is the slope and $(x_1,y_1)$ is a point on the line, then the equation of the line with the given slope equal to $2.3$ and with the given point $\left( 4,-5 \right)$ is \begin{array}{l} y-(-5)=2.3(x-4) \\\\ y+5=2.3x-9.2 \\\\ y=2.3x-9.2-5 \\\\ y=2.3x-14.2 .\end{array}

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