Sequences
Find the Term
Common Difference or Common Ratio
Variables
Formulas
100

Definition of arithmetic sequence.

What is a sequence of numbers such that difference between the consecutive terms is constant.

100

13, 10, 7, 4, ____,

What is 1.

100

The sequence in which common difference is used.

What is arithmetic sequences.

100

d = 

What is the common difference.

100

tn = t0 + d(n) 

What is the explicit formula for arithmetic sequences. 

200

Definition of geometric sequences.

What is a sequence of numbers such that the terms have a common ratio between them. 

200

8, 8.5, 9, 9.5, 10, ____, ____, ...

What is 10.5 and 11.

200

The sequence in which common ratio is used.

What is geometric sequences. 

200

r = 

What is the common ratio.

200

An explicit formula for an arithmetic sequence is 

tn=5 + 4(n)

What is the value of term 1?

What is 9

300

The variable d and how you find it

What is the common differences used for arithmetic sequences. Subtract a term from the next term.

300

t4 = _____ if a sequence has a formula of tn+1 = tn +5 and a1 = 7

What is 22.

300

2, -8, 32, -128, 512,...

What is the common ratio of -4.

300

t0=

What is the 0 term.

300

tn+1 = t(n) * r

What is the recursive formula for geometric sequences. 

400

The variable r and how you find it

What is the common ratio used for geometric sequences.  Divide a term by the previous term

400

t7 for the following sequence:

81, 27, 9, 3,...

What is t7 = 1/9

400

11.5, 15.25, 19, 22.75,......

What is a common difference of 3.75

400

t1

What is the first term of the sequence.

400

tn+1 = tn + d

What is the recursive formula for arithmetic sequences.

500

______________are discrete.

What is sequences? 

500

tof the following sequence:

-5, 15, -45,...

What is t5= -405

500

5, 12.5, 31.25, 7.125

What is the common ratio of 2.5

500

tn+1

What is the term after than the nth term.

500

tn = t0 * r(n)

What is the explicit formula for geometric sequences.

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