Arithmetic and Geometric Sequences

Is this sequence arithmetic, geometric, or neither?
{26, 22, 18, 14, ...}

• Arithmetic
• Geometric
• Neither

Tags

CCSS.HSF.BF.A.2

Is this sequence Arithmetic, Geometric, or Neither?
{2, 9, 7, 14, 12, 19, ... }

• Arithmetic
• Geometric
• Neither

Tags

CCSS.HSF.BF.A.2

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

• Arithmetic
• Geometric
• Neither

Tags

CCSS.HSF.BF.A.2

What is the common ratio in this sequence? 
{96, 48, 24, 12, ... }

• 1/2
• 2
• 12
• 24

Tags

CCSS.HSF.BF.A.2

Which sequence is an arithmetic sequence?

• 3, 6, 2, 7, ...

• 3, 6, 12, 24, ...

• 3, 6, 10, 15, ...

• 3, 7, 11, 15, ...

Tags

CCSS.HSF.BF.A.2

In an arithmetic sequence, the third term is 1 and the ninth is 49. What is the explicit formula for the sequence?

• a_n = 8n − 15

• a_n = −8n − 15

• a_n = 8n − 23

• a_n = −8n − 23

Tags

CCSS.HSF.BF.A.2

What is the common ratio of this geometric sequence?

500, 200, 80, 32, ...

• -5/2

• -2/5

• 2/5

• 5/2

Tags

CCSS.HSF.BF.A.2

What is a₅ (the 5th term) in the sequence?

a_n = 5 ⋅ 2^(n-1)

• a₅ = 160

• a₅ = 40

• a₅ = 10

• a₅ = 80

Tags

CCSS.HSF.BF.A.2

If f(x)=2x+17, then f(12)=___________.

• 24

• 41

• 17

• 30

Tags

CCSS.HSF.IF.A.2

Which kind of sequence has a common ratio?

• Arithmetic
• Geometric

Tags

CCSS.HSF.BF.A.2