Elementary Algebra

Published by Cengage Learning
ISBN 10: 1285194055
ISBN 13: 978-1-28519-405-9

Chapter 8 - Coordinate Geometry and Linear Systems - 8.2 - Graphing Linear Equations - Problem Set 8.2 - Page 343: 44


The answer is below.

Work Step by Step

I would tell the friend that there is no x in the equation. Thus, for all values of x (even if x is equal to 0), y will be equal to 3. Thus, it is a horizontal line, for the value of y (the height of the line) does not change as x changes.
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