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: 45


The answer is below.

Work Step by Step

We know that it is a straight line because x is directly proportional to y, meaning that y is set equal to x times a number. We know that this line goes through the origin because there is nothing added to or subtracted from x or y on either side of the equation. This means that the y-intercept is 0, meaning that the graph goes through the origin.
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