Arithmetic Sequences

Find the common difference of the arithmetic sequence 14, 20, 26, ...

3, 5, 7, ... is an arithmetic sequence

• True

• False

3, 15, 75, ... is an arithmetic sequence

• True

• False

What is the common difference of the given arithmetic sequence:

–2, 5, 12, 19, 26, . . . ?

• –2   

• 3

• 5

• 7

Which of the following sequence is an arithmetic sequence?

• 5, 12, 21, 32, 45, . . .

• 3, 6, 12, 24, 48, . . .

• –8, –5, –2, 1, 4, . . .

• 12, 7, 11, 6, 10, 5, . . .

Which of the following sequence is NOT an arithmetic?

• 25, 13, 1, –11, –23, . . .

• 9, 15, 21, 27, 33, . . .

• –12, –4, 4, 12, 20, 28, . . .  

• –4, 5, 18, 35, 56, 81, . . .

Is the sequence arithmetic?

17, 9, 1, -7, ...

• Yes

• No

Identify the next two terms of the sequence:

4,7,10,13,...

• 16 and 19

• 15 and 19

• 16 and 18

• 15 and 18

A sequence is shown below:

2, 5, 8, 11, ...

Which explicit formula can be used to model the sequence?

• a_n = 3 - 11(n - 1)

• a_n = 2 + 3(n - 1)

• a_n = 11 - 3(n - 1)

• a_n = 3 + 2(n - 1)

The first three terms of an arithmetic sequence are as follows

13, 19, 25

What are the next two terms of the sequence?

• 31 and 37

• 31 and 36

• 30 and 37

• 30 and 36