Thomas' Calculus 13th Edition

Published by Pearson
ISBN 10: 0-32187-896-5
ISBN 13: 978-0-32187-896-0

Chapter 12: Vectors and the Geometry of Space - Section 12.1 - Three-Dimensional Coordinate Systems - Exercises 12.1 - Page 695: 17

Answer

$a.\quad $the 1st quadrant in the xy-plane $b.\quad $the 4th quadrant in the xy-plane

Work Step by Step

$(a)$ $z=0$ is the xy-plane. The inequalities describe the 1st quadrant. So this is the 1st quadrant in the xy-plane. $(b)$ $z=0$ is the xy-plane. The inequalities describe the 4th quadrant. So this is the 4th quadrant in the xy-plane
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