Arithmetic & Geometric Sequences

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

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

• 2n

• 2n - 2

• 2n + 4

• 4n

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

Find the 16th term.

• 16

• 31

• 25

• 35

Find the 22nd term. a₁=10, d=5

• 115

• 200

• 10

• 220

Find the common ratio: 64, -16, 4, -1, ...

• r = -8

• r = -1/4

• r = -4

• r = 4

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

• 2

• 1/2

• -14

• -7

What does r represent?

• Radical

• Common difference

• Common ratio

Find the common ratio for the geometric sequence.

• 10

• 1/2

• 2

• 4

Write the explicit formula for the geometric sequence.

• a_n = 4(3)^n-1

• a_n = 3(4)^n-1

• a_n = -4(3)^n-1

• a_n = 3(-4)^n-1