College Algebra (10th Edition)

Published by Pearson
ISBN 10: 0321979478
ISBN 13: 978-0-32197-947-6

Chapter 9 - Section 9.3 - Geometric Sequences; Geometric Series - 9.3 Assess Your Understanding - Page 665: 83



Work Step by Step

If the sequence is geometric, there is a constant ratio between terms: $\displaystyle \frac{x+2}{x}=\frac{x+3}{x+2}$ $(x+2)=x(x+3)$ $x^{2}+4x+4=x^{2}+3x$ $x+4=0$ $x=-4$
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