Arithmetic and Geometric Seq and Series Quiz

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

• Arithmetic
• Geometric
• Neither

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

• 1,250
• 5
• 10
• 50

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

• Arithmetic
• Geometric
• Neither

Dividing by 12 is the same as ...

• × 12
• ÷ 1/12
• × 1/12
• + 12

What are the first three terms of the sequence defined by the following equation?
a_n = 7 + (n - 1)5

• 7, 35, 175
• 7, 2, -3
• 12, 17, 22
• 7, 12, 17

5, 15, 45, 135 is a ...

• Geometric sequence with r = 3

• Geometric sequence with r = 1/3

• Arithmetic sequence with d = 10

• Arithmetic sequence with d = 3

Fill in the blanks: Arithmetic sequences are graphed as _________ functions.

• Linear

• Exponential

Fill in the blank: Geometric sequences are graphed as _____________ functions.

• Linear

• Exponential

Is this the graph of an arithmetic or a geometric sequence?

• Arithmetic

• Geometric

Is this a graph of an arithmetic or a geometric sequence?

• Arithmetic

• Geometric