GEOMETRIC SEQUENCE

Identify the next 3 terms in the following geometric sequence. 512, 256, 128, ___, ___, ___, ...

• 1024, 2048, 4096
• 32, 8, 2
• 64, 32, 16
• 92, 66, 38

Find the common ratio of the following geometric sequence: 64, -16, 4, -1, ...

• r = -8
• r = -4
• r = 4
• r = -1/4

Determine the common ratio for the geometric sequence: 2, -12, 72, …

• 6
• -6
• 1/6
• -1/6

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

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

Find the common ratio for the geometric sequence. 100, 50, 25, 12.5 …

• 2
• 1/2
• -2
• -1/2

A geometric sequence has a common ratio (r) of 3 and the 8th term (a8) is 13,122. What is the first term of the sequence (a1)?

• 18
• 2
• 6
• 3

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

• -177,147
• -19,683
• -59,049
• 118,098

Consider the first six terms of this sequence : 3,6,12,24,48,96….. What would be the 19th term of the sequence?

• 786432
• 393216
• 1572864
• 1261467

Find the 7th term in the sequence when the first term is 2, and the common ratio is 4.

• 8192
• 2048
• 512
• 32768

What is the fifth term of the geometric sequence? a1= 5 r= 3

• 135
• 405
• 1875
• 1215