Precalculus: Mathematics for Calculus, 7th Edition

Published by Brooks Cole
ISBN 10: 1305071751
ISBN 13: 978-1-30507-175-9

Chapter 1 - Section 1.9 - The Coordinate Plane; Graphs of Equations; Circles - 1.9 Exercises - Page 102: 12

Answer

A, B, E, and G

Work Step by Step

RECALL: (i) The points in Quadrant I have positive x and y-coordinates. These points are at the top right of the coordinate plane. (ii) The points in Quadrant III have negative x and y-coordinates. These points are at the bottom left of the coordinate plane. Thus, the points that lie in Quadrants I and III are: Quadrant I: A and B Quadrant III: E and G
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