College Algebra (11th Edition)

Published by Pearson
ISBN 10: 0321671791
ISBN 13: 978-0-32167-179-0

Chapter R - Section R.2 - Real Numbers and Their Properties - R.2 Exercises - Page 19: 114


X and Y must be opposite signs. If X is positive, Y must be negative. If X is negative, Y must be positive.

Work Step by Step

The fraction must be negative so that it becomes positive when the negative sign is tacked on the end. Therefore, the signs of the numerator and denominator must be different.
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