Review: Sequences and Series

What does this mean?

• 1 + 2 + 3 + 4 + 5 + 6

• (1 - 2) + (2 - 2) + (3 - 2) + (4 - 2) + (5 - 2) + (6 - 2)

• (1 - 2) + (6 - 2)

• (1 - 2) + (2 - 2) + (3 - 2) + (4 - 2)

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

• Arithmetic

• Geometric

• Neither

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

• 1/2 (or 0.5)
• - 1/2 (or -0.5)
• -14
• -7

Tags

CCSS.HSF.BF.A.2

What kind of sequence is the pattern 15, 17, 20, 24, 29, ...?

• Arithmetic
• Geometric
• Neither

Tags

CCSS.HSF.BF.A.2

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

• -2
• 2
• 4
• -4

Tags

CCSS.HSF.BF.A.2

What is the common ratio for the sequence:
3, 15, 75...

• 12
• 1/5
• 5
• 10

Tags

CCSS.HSF.BF.A.2

Arithmetic sequences involve

• multiplication and division
• multiplication and addition
• addition and subtraction
• subtraction and division

Tags

CCSS.HSF.BF.A.2

What is the common difference:
-6, -1, 4, 9...

• 5
• -5
• -6
• 1/5

What is the next term:

6, 12, 18, 24...

• 30

• 32

• 48

• 6

Which kind of sequence has a common difference?

• Arithmetic
• Geometric

Tags

CCSS.HSF.BF.A.2