Summation Notation

Name: Revolt
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Question 1

Check all that apply in regards to the given sequence:5, 8, 11, 14, 17, 20, 23, …

Revolt · Accepted Answer

A: The sequence is arithmetic.; C: The common difference is 3.; E: a1 = 5; F: a8 = 26

Question 2

What is the rule for the geometric sequence shown?1, 2, 4, 8 …

Revolt · Accepted Answer

C: an = (2)n–1

Question 3

The explicit formula for a particular arithmetic sequence is an = 8 + (n – 1)3, with What are the first three terms?a1 = ⇒ 8

Revolt · Accepted Answer

8

Summation Notation Answers