Arithmetic and Geometric Sequences Formulas

Create the formula for the sequence:
2, 8, 14, ...

• a_n=2+6n
• a_n=-6+6n
• a_n=6n-4
• a_n=4-6n

Identify the common difference. 
10, 20, 30, 40, ...

• 5
• 10
• 15
• 20

Identify the common difference.
-21, -18, -15, -12, ...

• 4
• 3
• -4
• -3

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

• 8
• 11
• -11
• -8

Identify the common difference.
3, 7, 11, 15, ...

• 6
• 5
• 4
• 2

Find the 32nd term of this sequence.
34, 37, 40, 43, ...

• 32
• 64
• 127
• 356

Find the 32nd term of this sequence.
9, 4, -1, -6, -11, ...

• 81
• -34
• -146
• -225

Given the sequence:
 25, 21, 17, 13,...
Write the explicit equation that models the sequence.

• a_n = 4n + 29
• a_n = -4n + 25
• a_n = -4n + 29
• a_n = 4n + 25

What are the next 3 terms in this sequence of terms? 3, 7, 11, 15

• 18, 22, 26
• 19, 21, 23
• 19, 23, 27
• 18, 21, 24

What is the distance from one number to the next in a sequence of numbers that is represented by a (d) in an arithmetic sequence?

• Common denominator
• Common opposites
• Common domain
• Common difference