Geometric Sequences

Front

Find the next three terms: 4, 12, 36, 108, ...

Back

324, 972, 2916

Front

Next term of the geometric sequence: 4, 16, 64, ...

Back

256

Front

Find the 9th term in the following geometric sequence: 4, 8, 16, 32, ...

Back

1,024

Front

Write the explicit equation for the geometric sequence: 15, 45, 135, . . . ?

Back

Front

What is the common ratio for the sequence:
28, 14, 7, 3.5...

Back

1/2

Front

Find the common ratio: 4, -16, 64, -256, ...

Back

r = -4

Front

Find the first four terms of the sequence given the rule:
a_n = 4(5)^n-1

Back

4, 20, 100, 500

Front

Find a₁₂ in the sequence -1, -3, -9, -27, ...

Back

-177,147

Front

Classify the sequence: 1, 2, 4, 7, 11, 16, 22,...

Back

neither

Front

Given the geometric sequence 2, 6, 18, ..., write an explicit formula.

Back