Sequences Review

What number follows 20 in this arithmetic sequence?

8,11, 14, 17, 20

• 5

• 23

• 26

• 29

What is the fifth term of the geometric sequence?

5, 15, 45,...

• 135

• 1875

• 1215

• 405

What are the first 3 terms of the sequence whose nth term is: 5n-4

• 1, 6, 11, 16, 21
• 5, 4, 3
• -4, 1, 6
• 1, 6, 11

Find the 25th term if the sequence whose nth term is: 10n-51

• 250
• 200
• 199
• 159

Find the nth term of...
2,1,0,-1... 

• -3n+1
• -n+3
• -2n+4
• -4n+2

Find the 20th term in this sequence:  6, 14, 22, 30, 38, ... 

• 158

• 160

• 164

• 168

Write the explicit formula for the sequence shown below.

3, -3, -9, -15

• a_n=3+6(n-1)

• a_n=3−6(n-1)

• a_n=6−3(n-1)

• a_n=6+3(n-1)

Write the explicit formula for the sequence shown below.

1, 6, 11, 16

• a_n=1+5(n-1)

• a_n=1−5(n-1)

• a_n=5−(n-1)

• a_n=5+(n-1)

For the sequence shown below, write the explicit formula then find the 57^th term. What is the 57^th term?

• -266

• -265

• -267

• -260

An arithmetic sequence is described by the function f(n)=−3n+7. What are the first 5 terms of the sequence?

• 7, 10, 13, 16, 19

• 4, 1, -2, -5, -8

• -4, -1, 2, 5, 8

• -7, -10, -13, -16, -19