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 is the 38th term of this sequence?
{26, 22, 18, 14, ... }

• -4
• 10
• -122
• 174

Tags

CCSS.HSF.BF.A.2

What is the common ratio of this sequence?
{2, 10, 50, 250, ... }

• 1,250
• 5
• 10
• 50

Tags

CCSS.HSF.BF.A.2

Is this sequence Arithmetic, Geometric, or Neither?
{14, 22, 30, 38, .. }

• Arithmetic
• Geometric
• Neither

Tags

CCSS.HSF.BF.A.2

Find the 10th term of this sequence:
{96, 48, 24, 12, ... }

• 3/16
• 1/2
• 6
• 3

Tags

CCSS.HSF.BF.A.2

Which lists four consecutive terms of an arithmetic sequence?

• 1, 4, 9, 16, ...
• 3, 10, 17, 24, ...
• 1, 2, 4, 8, ...
• -5, 6, 10, 13, ...

Tags

CCSS.HSF.BF.A.2

What is a₅ in the sequence defined as follows?
a_n = 5 ⋅ 2^(n-1) 

• a₅ = 160
• a₅ = 40
• a₅ = 10
• a₅ = 80

Tags

CCSS.HSF.BF.A.2

The explicit formula for a sequence is a_n = 5 − 3n. What is the value of a₂₂ ?

• a₂₂ = -61

• a₂₂ = 61

• a₂₂ = -1

• a₂₂ = -51

Tags

CCSS.HSF.BF.A.2

Write the formula to find the nth term:
24, 12, 6, 3,...

•  $a\left(n\right)=24\left(2\right)^{n-1}$ 

•  $a\left(n\right)=12\left(2\right)^{n-1}$ 

•  $a\left(n\right)=24\left(\frac{1}{2}\right)^{n-1}$ 

•  $a\left(n\right)=3\left(2\right)^n$ 

Tags

CCSS.HSF.BF.A.2