Calculus (3rd Edition)

Published by W. H. Freeman
ISBN 10: 1464125260
ISBN 13: 978-1-46412-526-3

Chapter 1 - Precalculus Review - 1.1 Real Numbers, Functions, and Graphs - Preliminary Questions - Page 9: 6


(a) the first quadrant. (b) the second quadrant. (c) the fourth quadrant. (d) the third quadrant.

Work Step by Step

(a) Since both $ x=1\gt 0$ and $ y=2\gt 0$, then $(1,2)$ is in the first quadrant. (b) Since $ x=-3\lt 0$ and $ y=2\gt0$, then $(-3, 2)$ is in the second quadrant. (c) Since $ x=4\gt 0$ and $ y=-3\lt0$, then $(4,-3)$ is in the fourth quadrant. (d) Since $ x=-4\lt 0$ and $ y=-1\lt0$, then $(-4,-1)$ is in the third quadrant.
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