Review for Quiz on Sequences Topic 2: 1.1-2.2

An ______________sequence is a sequence of numbers in which the difference between any two consecutive terms is a constant. 

• Geometric Sequence

• Arithmetic Sequence

A _____________sequence is a sequence of numbers in which the ratio between any two consecutive terms is a constant. 

• Geometric Sequence

• Arithmentic Sequence

The common ratio is represented by .............

• The variable r

• The variable d

Identify the common difference.
97, 86, 75, 64, ...

• 8

• 11

• -11

• -8

Find the common ratio: 4, -16, 64, -256, ...

• r = -4

• r = 2

• r = -2

• r = 4

Find the next three terms: 4, 12, 36, 108, ...

• 324, 972, 2916

• 972, 2916, 8748

• 405, 1215, 3645

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

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

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

• Arithmetic

• Geometric

• Neither