Geometric Sequencing

Select the explicit rule that represents the sequence.

• 6 + 5(n - 1)

• 4 + 6(n - 1)

• 6 - 4(n - 1)

Find the 9th term in the following geometric sequence:

4, 8, 16, 32, ...

• 384

• 512

• 768

• 1,024

Find the common ratio of the following geometric sequence:

2, -10, 50, -250, ...

• r = -5

• r = 3

• r = 5

• r = -3

The next term of the geometric sequence

4, 16, 64, ...

is

• 256

• 132

• 120

• 150

What is the common ratio for the following sequence:

3, 15, 75, 375, ...

• 12

• 1/5

• 5

• 3

Find a₈ in the geometric sequence 4, 8, 16, 32, ...

• 1024

• 512

• 256

• 2048

What is the common ratio(multiplier) for the sequence: 3, 15, 75...

• 12

• 1/5

• 5

What is the common ratio(multiplier) for the sequence:

28, 14, 7, 3.5...

• 2

• 1/2

• -14

• -7

What is a₅ in the sequence defined as follows?
a_n = 5 ⋅ 2^(n-1) 

• a₅ = 160

• a₅ = 40

• a₅ = 10

• a₅ = 80

A Geometric sequence is one where the numbers increase by a constant muliple

• True

• False