Precalculus (6th Edition)

Published by Pearson
ISBN 10: 013421742X
ISBN 13: 978-0-13421-742-0

Chapter 2 - Graphs and Functions - 2.1 Rectangular Coordinates and Graphs - 2.1 Exercises - Page 192: 3



Work Step by Step

To locate any point with coordinates (a,b), starting from the origin, we move a units to the left (a negative) or right (a positive), then move b units up (b positive) or down (b negative). If a =0, we do not move left/right, If b=0, we do not move up/down. If the point is on the x-axis, then b=0. Any point on the x-axis has y-coordinate equal to zero.
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