sequences

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

• 8
• 11
• -11
• -8

Tags

CCSS.HSF.BF.A.2

Is the sequence arithmetic: 78, 785, 7855, 78555, ...

• Yes
• No

Tags

CCSS.HSF.BF.A.2

Is the sequence 2, 4, 12, 48,... geometric?

• yes
• no

Tags

CCSS.HSF.BF.A.2

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

• 2
• 1/2
• -14
• -7

Tags

CCSS.HSF.BF.A.2

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

• 14
• 68
• 63
• 71

Tags

CCSS.HSF.BF.A.2

Decide if the sequence is arithmetic, geometric or neither:
11, 21, 31, 41, . ..

• Arithmetic
• Geometric
• Neither

Tags

CCSS.HSF.BF.A.2

Create a rule for the sequence:

-3, 6, -12, 24,,,

• a_n= -3+ 2n

• a_n= -3(3)^n-1

• a_n= -3(-2)^n-1

• a_n= -3(2)^n-1

Find the 12th term: -2, -6, -18, -54

• -254294

• 354294

• 4096

• -354294