Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 4 - An Introduction to Functions - Get Ready! - Page 231: 8


The graph is attached.

Work Step by Step

Recall, in the coordinate plane, the x-axis is the horizontal axis and the y-axis is the vertical axis. When we see a coordinate point like (1,-2), for instance, we know that the first value listed, 1, is the x value and that the second value listed, -2, is the y value. This point indicates that we start at the origin, the point (0,0) where the x and y axis intersect, then move one unit right (on the x axis), and then move two units down (because $y=-2$). We do the same thing with all of the points listed in the problem.
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