Algebra 2 Common Core

Published by Prentice Hall
ISBN 10: 0133186024
ISBN 13: 978-0-13318-602-4

Chapter 9 - Sequences and Series - Get Ready!: 9

Answer

The next three terms are -7, -6, and -15.

Work Step by Step

18, 9, 10, 1, 2,... To get from 18 to 9, you subtract 9. To get from 9 to 10, you add 1. To get from 10 to 1, you subtract 9. To get from 1 to 2, you add 1. The pattern is subtract 9, add 1, subtract 9, add 1, and so on, so: 2-9=-7 -7+1=-6 -6-9=-15
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