(# 9) 6-5 Geometric Sequences ( Day 1 - Review) #'s 1-40 all.

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

• 2
• 1/2
• -14
• -7

What are the next 3 terms in this sequence of terms? 3, 7, 11, 15

• 18, 22, 26
• 19, 21, 23
• 19, 23, 27
• 18, 21, 24

Identify the common difference.
97, 86, 75, 64, ...

• 8
• 11
• -11
• -8

What kind of sequence is the pattern 400, 200, 100, 50, 25, ...?

• Arithmetic
• Geometric
• Neither

For each sequence, state if it is arithmetic, geometric, or neither.
−34, −26, −18, −10, −2, ... 

• Arithmetic
• Geometric
• Neither

Find the common ratio of the geometric sequence:      -2, -4, -8, -16, . . . 

• -2
• 2
• 4
• -4

Is the sequence-4, -12, -36, -108,... arithmetic geometric, or neither?

• arithmetic
• geometric
• neither

Does the following table represent a geometric sequence or an arithmetic? Explain 

• geometric, it has a constant rate
• geometric, it has a constant percentage
• arithmetic, it has a constant rate
• arithmetic, it has a constant percentage

Which of the following is an example of an arithmetic sequence?

• 4, 8, 16, 32, 64

• 1, 2, 4, 7, 11

• 15, 13, 11, 9, 7

• 3, 6, 12, 24, 48

The difference between two terms in an arithmetic sequence is called ___________________.

• Formula

• Common Ratio

• Common Difference

• Common Factor