Question

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

Answer 1

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}`