Arithmetic and Geometric Sequences

Front

256, 128, 64, 32, ... What's next?

Back

16

Front

To find the next term in a geometric sequence…

Back

multiply by the common ratio r

Front

To find the next term in an arithmetic sequence…

Back

add the common difference d

Front

-21, -16, -11, -6, ... Is this sequence arithmetic, geometric, or neither?

Back

arithmetic (common difference d = 5)

Front

Sequence: 3, 9, 15, 22, ...
Is this sequence arithmetic, geometric, or neither?

Back

neither

Front

The next three terms in the sequence 49, 44, 39, 34, 29, … are

Back

24, 19, 14

Front

Determine whether the sequence is arithmetic, geometric, or neither.

Back

arithmetic

Front

Determine whether the sequence is arithmetic, geometric, or neither.

Back

geometric

Front

Find the common ratio for the geometric sequence. Options: 10, 1/2, 2, 4

Back

2

Front

Write the explicit formula for the geometric sequence. Options: a_n = 10(2)^n-1, a_n = 2(10)^n-1, a_n = 10(2)ⁿ, a_n = 2(10)ⁿ

Back

a_n = 10(2)^n-1