Question

What is the eighth term in the arithmetic sequence defined by the explicit formula a_n =2n+7 ?

Answer 1

a8= 23

Explanation:

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Answer 2

To solve this, all we need to do is to substitute 8 in for "n" as we want to find the 8th term in the series.

2n+7
2(8)+7
16+7
23

The 8th term in the arithmetic sequence is 23.