Finding Common Ratio and Common Difference

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

The individual numbers in a sequences are called...

• Common difference
• Successive term
• Term
• Geometric term

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

The next term of the series 11,8,5,2 is...

• -1
• -2
• 1
• 2

What is the common ratio for the sequence:
28, 14, 7, 3.5...

• 2
• 1/2
• -14
• -7

What is the common difference:
-2, -11, -20, -29...

• Every Number
• 9
• -9
• -2

What are the first 4 terms of an arithmetic sequence with a common difference of (-6) if the first term is 76?

• 76, 70, 64, 58
• 76, 82, 88, 94
• 70, 64, 58, 52
• 82, 88, 94, 100