Big Ideas Math - Algebra 1, A Common Core Curriculum

Published by Big Ideas Learning LLC
ISBN 10: 978-1-60840-838-2
ISBN 13: 978-1-60840-838-2

Chapter 8 - Graphing Quadratic Functions - 8.5 - Using Intercept Form - Exercises - Page 458: 107

Answer

The sequence is arithmetic.

Work Step by Step

The given sequence is $26,18,10,2,-6,...$ Calculate difference between each pair of consecutive terms. $18-26=-8$ $10-18=-8$ $2-10=-8$ $-6-2=-8$ The common difference is $-8$. So, the sequence is arithmetic.
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