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Arithmetic or Geometric?
Common Difference
Common Ratio
Building Sequences
Using Explicit Formula
100

-4, 2, -1, 1/2

What is Geometric?

100

The Common Difference of -20, -23, -26, -29...and next three terms?

What is -3 and -32,-35,-38?

100
The Common Ratio of the Sequence 2, 4, 8, 16, 32...and next three terms?
What is 2 and 64, 128, 256?
100

Write the first 5 terms of a sequence with a first term of 5 and a common difference of -0.25.

What is 5, 4.75, 4.5, 4.25, 4?

100

What is the 12th term of the sequence 23,25,27,29....

What is 45?

200

2 1/2 , 3, 3 1/2, 4, 4 1/2...

What is Arithmetic?

200
The Common Difference of -1.7, -2.0, -2.3, -2.6...and next three terms?
What is -0.3 and -2.9, -3.2, -3.5?
200
The Common Ratio of -1/2, 1, -2, 4...
What is -2 and -8, 16, -32?
200

Write the first 5 terms of a sequence with a first term of 1/3 and a common ratio of 2

What is 1/3, 2/3, 4/3, 8/3, 16/8(2)?

200
What is the 17th term of -27,-19,-11,-3...
What is 101?
300

2, 4, 6, 8...

What is Arithmetic?

300
The Common Difference of 18, 22, 26, 30...and next three terms?
What is 4 and 34,38,42?
300
The Common Ratio of the Sequence -3, 3, -3, 3...
What is -1 and -3,3,-3?
300

A bike rental company charges $12, which includes the first 30 minutes of the ride. Therefore after the company charges $0.25 per minute. Determine the price for the first five minutes after the 30 minutes. 

What is 12.25, 12.50, 12.75, 13, 13.25?

300
What is the 7th term of 4,-12,36,-108...
What is 2,916?
400

-2, -4, -8, -16...

What is Geometric?

400
The Common Difference of 100, 131, 162, 193...and next three terms?
What is 31 and 224, 255, 286?
400
The Common Ratio of the Sequence -3, -9, -27...
What is 3 and -81, -243, -329?
400

Determine the unknown term of each of the sequences. 

a) -5, _____, -125, 625, -3125

b) -1/8, -1/4, _____, -1/2, -5/8

What is 25 and -3/8? 

400

What is the nth term of the geometric sequence where a1=3 n=5, r=4?

What is 768?

500

The sequence -5, -10, -15, -20

What is what is arithmetic?

500
The Common Difference of 2.53, 2.56, 2.59, 2.62...and next three terms?
What is 0.03 and 2.65, 2.68, 2.71?
500
The Common Ratio of the Sequence -1000, 200, -40, 8...
What is - 1/5 or being divided by -5 and -1.6, 0.32, 0.064?
500

A Petri dish is filled with 250 bacterial cultures. The number of bacteria in the dish triples each hour. Write a sequence for the first 5 hours in the dish. 

What is 250, 750, 2250, 6750, 20250? 

500

What is the nth term of the geometric sequence where a1=-1 n=6, r=2?

What is -32?