Arithmetic, Geometric

Find the EXPLICIT arithmetic sequence formula for the following data set: 2, 4, 6, 8...

• 2n

• 2n - 2

• 2n + 4

• 4n

When the terms of a sequence differ by the same non zero  number it is called what kind of sequence?

• Algebraic

• Neither

• Geometric

• Arithmetic

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

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 previous term for:
-6, 1, 8, 15...

• -13

• 13

• 1

• -12

Find the 22nd term. a₁=10, d=5

• 115

• 200

• 10

• 220

What is the common ratio for the sequence:
28, 14, 7, 3.5...

• 2

• 1/2

• -14

• -7

Given the sequence:
125, 25, 5, ....
Write the explicit rule:

•  y = (125)(5)^(x)

•  y = 125(1/5)^(x)

•  y = 625(5)^(x)

•  y = 125 + 5x

Find the 16th term.

• 16

• 31

• 25

• 35

What is the tenth term in the arithmetic sequence: 12, 19, 26, 33, ... Hint: Find the common difference and then either continue the pattern or write and use an explicit formula.

• 47

• 61

• 75

• 96