Geometric Sequences

Front

The next term of the geometric sequence 4, 16, 64, ...

Back

256

Front

What is the common ratio for the following sequence: 3, 15, 75, 375, ...

Back

5

Front

Find the next three terms of the following geometric sequence: 4, 12, 36, 108, ...

Back

324, 972, 2916

Front

Write the explicit formula for the following geometric sequence: 10, 20, 40, 80, ...

Back

a_n = 10(2)^n-1

Front

Write the explicit formula for the following geometric sequence: 100, 50, 25, 12.5, ...

Back

a_n = 100(1/2)^n-1

Front

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

Back

1,024

Front

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

Back

-177,147

Front

Find a₁₁ in the following geometric sequence: -3, 6, -12, 24

Back

-3,072

Front

Find the common ratio of the following geometric sequence: 2, -10, 50, -250, ...

Back

r = -5

Front

Find the 6th term of the following geometric sequence: 2, 8, 32, 128, ...

Back

2048