Intermediate Algebra (12th Edition)

Published by Pearson
ISBN 10: 0321969359
ISBN 13: 978-0-32196-935-4

Chapter 2 - Section 2.1 - Linear Equations in Two Variables - 2.1 Exercises - Page 144: 11

Answer

See solution

Work Step by Step

Part A: x and y must have the same sign (so that the signs cancel out and multiply to a positive number) so x and y are either both in quadrant I or quadrant III Part B: x and y must have opposite signs in order for the two to multiply to a negative number. Either x can be the negative number and the coordinates fall in quadrant II or y can be the negative value and the coordinates fall in quadrant IV
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