Sequences

What does r represent in the explicit formula for a geometric sequence?

• Radical

• Common Ratio

• Common Difference

Arithmetic sequences involve

• multiplication and division
• multiplication and addition
• addition and subtraction
• subtraction and division

Geometric sequences involve

• multiplication and division
• multiplication and addition
• addition and subtraction
• subtraction and division

What kind of sequence is the pattern 400, 200, 100, 50, 25, ...?

• Arithmetic
• Geometric
• Neither

For each sequence, state if it is arithmetic, geometric, or neither.
−34, −26, −18, −10, −2, ... 

• Arithmetic
• Geometric
• Neither

Determine whether the sequence is arithmetic, geometric, or neither.

• arithmetic
• geometric
• neither

A geometric sequence models what type of function?

• linear
• quadratic
• exponential
• absolute value

• Yes

• No

• 10

• 1/2

• 2

• 4

• r = 5

• r = -5

• r = 1/5

• r = -1/5