Sequences Review

Front

Determine whether the sequence is arithmetic, geometric, or neither: 2, 8, 32, 128, ...

Back

geometric

Front

Determine whether the sequence is arithmetic, geometric, or neither: -4, 1, 6, 11, ...

Back

arithmetic

Front

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

Back

Common Difference

Front

Find the common ratio for the geometric sequence: 2, 6, 18, 54, ...

Back

3

Front

What is the formula for the nth term of an arithmetic sequence?

Back

a_n = a_1 + (n-1)d, where d is the common difference.

Front

What is the formula for the nth term of a geometric sequence?

Back

a_n = a_1 * r^(n-1), where r is the common ratio.

Front

Identify the common difference in the arithmetic sequence: 5, 10, 15, 20, ...

Back

5

Front

Identify the common ratio in the geometric sequence: 3, 9, 27, 81, ...

Back

3

Front

What is the first term of the sequence: 4, 8, 12, 16, ...?

Back

4

Front

What type of sequence is formed by the numbers: 1, 4, 9, 16, ...?

Back

neither (it's a perfect square sequence).