Arithmetic
Geometric
Variable Vocab
Identify the Sequence
Complete the Sequence
100

1, 6, 36, 216,... is an arithmetic sequence (True or False).

What is false.  It is a geometric sequence.

100

0, 2, 4, 8... is a geometric sequence (True or False).

True

R= 2

100

What is the individual number or element in a sequence?

Term

100

Arithmetic, geometric, or neither? 

-10, -30, -50, -70...

Arithmetic

d= -20


100
Find the common difference or ratio to find the next term of the sequence:


-1, -2, -4, -8, __

r= 2

A5= -16

200

What is the common difference in the sequence?

 53, 50, 47, 44, 41...

d = -3

200

What is the common ratio in this sequence?

2, 6, 18, 54...

R=3

200

What is a type of sequence where each term is found by adding the same number to the previous term?

Arithmetic Sequence

200

Arithmetic, geometric, or neither?

22, 44, 66, 88...

Arithmetic

d= 22

200

Find the common difference or ratio to find the next 2 terms in the sequence

0, -4, -8, -12,__, __,...

d= -4

A5= -16

A6= -20

300

What is the common difference in this sequence?

31, -69, -169, -269

d= -100

300

What is the common ratio in this sequence?

1, 2, 4, 8, 16, 32...

r= 2

300

What does "d" stand for in arithmetic sequence equations? 

"d" stands for common difference

300

Arithmetic, geometric, or neither?

-0.5, 1, -2, 4,...

Geometric

r= -2

300

Find the common difference or ratio to find the next  term of the sequence

-1, -1/2, -1/4, -1/8, __, __, __, __,...

r= 1/2

A5= -1/16


400

Find the 30th term:

11, 20, 29, 38...

A30= (11)+(30-1)(9)

A30= 272

400

Find the 9th term:

-2, 10, -50, 250...

A9= (-2)(-5)(9-1)

A9= 781,250

400

What does "r" stand for in geometric sequence equations?

"r" stands for common ratio

400

Arithmetic, geometric, or neither?

4, 8, 16, 32,...

Geometric

r= 2

400

Find fifth term

-2, 10, -50, 250, __,...

A5= -1,250

R=-5

500

9, 7, 5, 3...

Find the 23 term

What is the common difference?

Zero term?

23 term is -35

d= -2

zero term is 11

500

-3, 9, -27, 81...

Find the 9th term

What is the common ratio?


common ratio = -3

9th term is -19683

500
What is the starting number in a sequence, usually represented as a1. 

First Term

500

Arithmetic, geometric, or neither?

1, 1, 2, 3, 5,...

Neither

Its Fibonacci's sequence B-)

500

Find the fourth term

11, 20, 29, __, 47,...

d= 9

A4= 38