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Consider the arithmetic sequence whose first four terms are 1,3,5, 7. Find the 100th term in this sequence.

User YoungMin Park
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2 Answers

8 votes
8 votes

Answer:

199

Explanation:

User Teddy Sterne
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8 votes
8 votes

9514 1404 393

Answer:

199

Explanation:

The first term is a1 = 1. The common difference is 3-1 = 2. The general term is ...

an = a1+d(n -1)

an = 1 +2(n -1) = 2n -1

For n = 100, you have ...

a100 = 2(100) -1 = 199

The 100th term in the sequence is 199.

User Kirushik
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