Arithmetic and Geometric Sequences

1. Is this sequence arithmetic, geometric, or neither?

{26, 22, 18, 14, ...}

• Arithmetic

• Geometric

• Neither

Tags

CCSS.HSF.BF.A.2

Q. Is this sequence Arithmetic, Geometric, or Neither?

{2, 9, 7, 14, 12, 19, ... }

• Geometric

• Arithmetic

• Neither

Tags

CCSS.HSF.BF.A.2

Q. Which kind of sequence has a common ratio?

• Arithmetic

• Geometric

Tags

CCSS.HSF.BF.A.2

Q. Identify the common difference.

97, 86, 75, 64, ...

• 8

• -11

• 11

• -8

Tags

CCSS.HSF.BF.A.2

Q. Find the 32nd term of this sequence.

34, 37, 40, 43, ...

• 32

• 97

• 127

• 157

Tags

CCSS.HSF.BF.A.2

Q. Find the 25th term of the sequence if a = 5 and d = 0.5

• 14

• 15

• 17

• 18

Tags

CCSS.HSF.BF.A.2

 Q. What is the common ratio of the geometric sequence below?    

 $1,\ \frac{1}{3},\frac{1}{9},\frac{1}{27},...$ 

• 3

• -3

•  $\frac{1}{3}$  
  

•  $-\frac{1}{3}$  
  

Tags

CCSS.HSF.BF.A.2

Q. What is the 8th term in the sequence below?

3, 9, 27, 81, ...

• 19683

• 2187

• 6561

• 729

Tags

CCSS.HSF.BF.A.2

Q. Given the geometric sequence

-2, 10, -50, 250...

Find the nth term.

• T_n = 2(-5)^n-1

• T_n = -2(5)^n-1

• T_n = -2(-5)^n-1

• T_n = 2(5)^n-1

Tags

CCSS.HSF.BF.A.2

Q. Write the next three terms in this sequence.
{-252, 126, -63,...}

•  $\frac{63}{2},\frac{63}{4},\frac{63}{8}$  

•  $\frac{63}{2},-\frac{63}{4},\frac{63}{8}$  

•  $\frac{63}{2},-15,\frac{7}{2}$  

•  $\frac{63}{2},-15,\frac{7}{2}$  

Tags

CCSS.HSF.BF.A.2