Sequences and Series Arithmetic and Geometric

Find the 22nd term of the following arithmetic sequence:

5, 8, 11, ...

• 14

• 68

• 63

• 71

The next two terms of the sequence 4,7,10,13 are ....

• 16 and 19

• 15 and 19

• 16 and 18

• 15 and 18

Identify the common difference in the given arithmetic sequence.

10, 20, 30, 40, ...

• 5

• 10

• 15

• 20

What is the common ratio of the geometric sequence below?
5, 25, 125, 625...

• 25

• 20

• 5

• 4

What is the 8th term in the geometric sequence below?

3, 9, 27, 81, ...

• 19,683

• 6,561

• 2,187

• 729

Identify the common difference.
97, 86, 75, 64, ...

• 8

• 11

• -11

• -8

Given the sequence: 25, 21, 17, 13,... Write the explicit equation that models the sequence. HINT: It is an arithmetic Sequence

• a_n = 4n + 29

• a_n = - 4n + 25

• a_n = - 4n + 29

• a_n = 4n + 25

Is the sequence arithmetic: 17, 9, 1, -7, ...

• Yes

• No

Which formula represents this arithmetic sequence: 2, 8, 14, ...

• 4n

• n + 6

• 3n + 2

• 5n - 2

What is the common ratio of this geometric sequence?

{2, 10, 50, 250, ... }

• 1,250

• 5

• 10

• 50