Find the indicated term of the arithmetic sequence.
-6.1, 5.5, 4.9, . . . ; $$\text { a9 }$$
A)1.9
B)1.31
C)1.3
D)0.7

Name: Find the indicated term of the arithmetic sequence. -6.1, 5.5, 4.9, . . . ; \[\text { a9 }\] A)1.9 B)1.31 C)1.3 D)0.7
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Quizplus · Accepted Answer

The common difference (d) in this arithmetic sequence is -0.6 (5.5 - 6.1). To find the 9th term (a9), use the formula: a_n = a_1 + (n-1)d. Here, a_1 = 6.1, n = 9, and d = -0.6. So, a9 = 6.1 + (9-1)(-0.6) = 6.1 + 8(-0.6) = 6.1 - 4.8 = 1.3.

Find the Indicated Term of the Arithmetic Sequence a9 \text { a9 } a9

Find the Indicated Term of the Arithmetic Sequence $\text { a9 }$