Arithmetic and Geometric Sequences and Series

What kind of sequence is illustrated below?
 400, 200, 100, 50, 25, ...

• Arithmetic
• Geometric
• Neither

Which kind of sequence has a common difference?

• Arithmetic
• Geometric

What is the common ratio of the geometric sequence below?
5, 25, 125, 625...

• 25
• 20
• 5
• 4

What is the common difference of the arithmetic sequence below?
-6, -1, 4, 9...

• 5
• -5
• -6
• 1/5

What is the 8th term in the sequence below?
3, 9, 27, 81, ...

• 19,683
• 6,561
• 2,187
• 729

What is the common ratio in this sequence? 
{96, 48, 24, 12, ... }

• 1/2
• 2
• 12
• 24

Find the 22nd term of the following sequence:
5, 8, 11, ...

• 14
• 68
• 63
• 71

Which of the following represents the SUM of a geometric series with 8 TOTAL terms and whose FIRST TERM is 3 and whose COMMON RATIO is 4?

• 32,756

• 42,560

• 28,765

• 65,535

Which is closest to the sum of the first 11 terms of a sequence that begins with 1/2 that has a common ratio of 2.5?

• 15000

• 8000

• 5000

• 300

The n^th term of a geometric sequence is given by ...

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