Find the 66th term in the following arithmetic sequence: -92, -85, -78, -71, ...

asked Jan 9, 2023 184k views

18 votes

Find the 66th term in the following
arithmetic sequence:
-92, -85, -78, -71, ...

8.8k points

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13 votes

Answer: 363

Explanation:

The common difference is 7, so the explicit formula is
a_(n)=-92+7(n-1) .

Substituting in n=66,

$a_(66)=-92+7(66-1)=\boxed{363}$

Deewilcox answered Jan 15, 2023

8.4k points

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