For each sequence, state if it is arithmetic, geometric, or neither.

−34, −26, −18, −10, −2, ... 

 Is the sequence-4, -12, -36, -108,... arithmetic geometric, or neither?

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

The difference between two terms in an arithmetic sequence is called ___________________.

In the sequence 9, 18, 27, 36 and so on, what is the common difference?

If the sequence 4, 8, 12, 16 continues, what will be the 7^th term?

Which kind of sequence has a common ratio?

Which kind of sequence has a common ratio?

The next term of the sequence 2,4,8,16 is

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

Insert two arithmetic means between 30 and 48

Insert three arithmetic means between 22 and 42.

What is the missing term in 21, _______, 47?

What does r represent?

What is the 9^th term in a geometric sequence with a common ratio of 2 and a first term of 3?

A geometric sequence has a common ration(r) of 3 and the 8th term (a₈) is 13,122. What is the first term of the sequence (a₁)?

A geometric sequence has a common ration(r) of 2 and the 13th term (a₁₃) is 36,864. What is the first term of the sequence (a₁)?

Find the common ratio of the geometric sequence:

64, - 16, 4, - 1, ...

Find the common ratio of the geometric sequence:

- 2, - 12, - 72, - 432, ...

If a₅ = 384 and r = 4, what is the first term of the geometric sequence (a₁) ?

Find the sum of the sequence 8,11,14,17,20.

Find the sum of the first 18 terms of the arithmetic sequence 8,11,14,… .

Find the 20th term in the arithmetic sequence: 5, 12, 19, 26...

Each number in a sequence is called ________.