Next 3 Terms? Geometric Sequence

Find the next three terms of the following geometric sequence:

4, 12, 36, 108, ...

• 324, 972, 2916

• 972, 2916, 8748

• 405, 1215, 3645

• 324, 648, 1296

Answer explanation

Find the common ratio, then multiply it by the 4th number to get the 5th number.

The next term of the geometric sequence

4, 16, 64, ...

is

• 256

• 132

• 120

• 150

Answer explanation

Find the common ratio, then multiply it by the 3rd number to get the 4th number.

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

• 36, -108, 324
• -324, -972, -2916
• 324, -972, 2916
• -108, 324, -972

Answer explanation

Find the common ratio, then multiply it by the 4th number to get the 5th number.

What is the next term in the sequence 3, -6, 12, -24 , ...

• 48

• -48

• 36

• -36

Answer explanation

Find the common ratio, then multiply it by the 4th number to get the 5th number.

State if the given sequence is geometric. If so, identify the common ratio.

400, 200, 100, 50, …

• 1/5

• 1/3

• 1/2

• Not a geometric sequence

Answer explanation

Find the common ratio, then multiply it by the 4th number to get the 5th number.