Formulas
Common Difference
Common Ratio
Sequence or Not a Sequence
Grab Bag
100

What type of function does the following formula represent?


Exponential

100

The Common Difference of -20, -23, -26, -29...

What is -3?

100
The Common Ratio of the Sequence 2, 4, 8, 16, 32...
What is 2?
100
Is the following sequence Arithmetic, Geometric or Neither? 12, 14, 16, 18, 20, .....
Arithmetic
100
A sequence that continues on forever....
What is infinite.
200

What is the equation that represents exponential growth?

y=a(1+r)x

200
The Common Difference of -1.7, -2.0, -2.3, -2.6...
What is -0.3 ?
200
The Common Ratio of -1/2, 1, -2, 4...
What is -2?
200
Is the following sequence Arithmetic, Geometric or Neither? 3, 8, 13, 18, 22, .....
What is an Arithmetic Sequence.
200
Find the missing term in the following Arithmetic sequence. -3, ___ ,-27
What is -15
300

What is the equation that represents exponential decay?

y=a(1-r)x

300
The Common Difference of 18, 22, 26, 30...
What is 4?
300
The Common Ratio of the Sequence 3, 3, 3, 3...
What is 1?
300
Is the following sequence Arithmetic, Geometric or Neither? 4, 11, 17, 24, 34, ....
What is neither.
300
The Common Ratio of the Sequence -3, 3, -3, 3... And give the next 3 terms in the sequence.
What is -1 and the next 3 terms are: -3,3,-3?
400

What type of exponential function always has a factor of 0.5 and is most commonly involving isotopes/elements?

half-life

400
The Common Difference of 100, 131, 162, 193...
What is 31?
400
The Common Ratio of the Sequence -3, -9, -27...
What is 3?
400
Is the following sequence Arithmetic, Geometric or Neither? If so, what is the common difference or common ratio? 375, 75, 15, 3, 3/5, ........
What is a Geometric Sequence with the common ratio of 1/5?
400
Find the missing terms in the following Arithmetic sequence. 10, ____, ____ , _____, 26
What is 14, 18, 22?
500

What is the name of the following formula?


Compound Interest

500
The Common Difference of 2.53, 2.56, 2.59, 2.62...
What is 0.03?
500
The Common Ratio of the Sequence -1000, 200, -40, 8...
What is - 1/5 ?
500
Is the following sequence Arithmetic, Geometric or Neither? If so, what is the common difference or common ratio? 506, 403, 300, 197, 94, .....
What is an Arithmetic Sequence with a common difference of -103?
500
Find the missing terms in the following geometric sequence. 4, ___ , _____, 108
What is 12 & 36.