ARITHMETIC SEQUENCES

Which of the following is an example of an arithmetic sequence?

• 4, 8, 16, 32, 64

• 15, 13, 11, 9, 7

• 1, 2, 4, 7, 11

• 3, 6, 12, 24, 48

What is the common difference of the following sequence?

7, 27, 47, 67, ...

• 10

• 3

• 20

• -20

Find the next three terms in the arithmetic sequence:

-33, -24, -15, -6, ...

• -1, 7, 15

• 3, 12, 21

• -5, 2, 9

• -65, -73, -81

The first three terms of an arithmetic sequence are as follows

13, 19, 25

What are the next two terms of the sequence?

• 31, 37

• 30, 37

• 31, 36

• 30, 36

Find the 26th term in the arithmetic sequence:

-15, -35, -55, -75, ...

• -515

• -535

• -490

• -460

The first three terms of an arithmetic sequence are as follows

3, -4, -11

What are the next two terms of the sequence?

• -17, -25

• -18, -25

• -18, -26

• -17, -26

Find the 20th term in the arithmetic sequence:

5, 12, 19, 26, ...

• 145

• 144

• 142

• 138

What is the missing number from the sequence below:

12, .... , 32, 42, 52

• 20

• 22

• 24

• 26

What is the common difference of the sequence 2, -1, -4, -7, ...

• -3

• -2

• -1

• 3

A sequence shown below:

2, 5, 8, 11, ...

Find the n-th term of this sequence

• Un = -11n + 11

• Un = 3n - 1

• Un = -3n + 14

• Un = 2n + 1