## Elementary Technical Mathematics

Published by Brooks Cole

# Chapter 8 - Section 8.4 - The Equation of a Line - Exercises - Page 314: 18

#### Answer

The y intercept is at (0,-4) A 2nd point is (5,-2)

#### Work Step by Step

$2x-5y=20$ $2x-5y-2x=20-2x$ $-5y\div-5=(-2x+20)\div-5$ $y=\frac{2}{5}x-4$ Since the slope is $\frac{2}{5}$ count up 2 and 5 right from the y intercept to find a 2nd point.

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