Arithmetic Sequences

Question 1

Select all sequences that are geometric.

Revolt · Accepted Answer

A: ; C: ; E:

Question 2

Sequence C has common ratio .

Revolt · Accepted Answer

0.2

Question 3

What is the common ratio of the sequence 3, 21, 147, … ?

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7

Question 4

Which formula can be used to find the nth term of the sequence 3, 21, 147, … ?

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C:

Question 5

Which formula can be used to find any term, n, of the sequence

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A:

Question 6

Which formula can be used to find the nth term of the sequence 0.8, 0.72, 0.648, … ?

Revolt · Accepted Answer

C:

Question 7

The first term of a sequence is 4 and the common ratio is –2. What is the formula for the sequence based on term number

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B:

Question 8

For each of the geometric sequences, determine the common ratio.Sequence A has common ratio .

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4

Question 9

Given that a sequence is defined by the formula , find the 20th term.

Revolt · Accepted Answer

C: a20 = –2,097,152

Question 10

Use the given formula to find the indicated terms of the sequence.a4 =

Revolt · Accepted Answer

1029

Arithmetic Sequences Answers