Algebra 2 (1st Edition)

Published by McDougal Littell
ISBN 10: 0618595414
ISBN 13: 978-0-61859-541-9

Chapter 12 Sequences and Series - 12.2 Analyze Arithmetic Sequences and Series - 12.2 Exercises - Skill Practice - Page 806: 11



Work Step by Step

Here, we have $\dfrac{-5}{2}-(-1) =-1.5$ $-1-\dfrac{1}{2} =-1.5$ $\dfrac{1}{2}-2 =-1.5$ $2-\dfrac{7}{2} =-1.5$ It can be seen that there is a constant difference of $-1.5$ between successive terms. So, this shows an arithmetic sequence.
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