Algebra 2
Sequence & Series Quiz Review WU
Name_______________________
Choose the best answer.
4
1.
What is the sum of the series defined by
A.
2.
3.
B.
−5
n 0
C.
0
D. 5
Two geometric means between 2 and 250 are (this is SOL talk . . . . they are
asking you to find a2 and a3, given a1 and a4)
A.
50 and 100
B.
84 and 166
C.
10 and 50
D.
75 and 125
If an = 2n−1, then a6 =
F.
4.
−10
 (5  3n) ?
32
G.
16
H.
10
J.
2
Two arithmetic means between 2 and 26 are (see 2) are
A.
7 and 21
B.
6 and 14
C.
6 and 18
D.
10 and 18
5.
Driving a piling into a harbor bottom, a pile driver sinks the piling 54 inches on
the first stroke, 18 inches on the second stroke, and 6 inches on the third stroke. If
the sequence is continued, how far will the piling be driven down on the 5th stroke?
A. 2 inches
6.
1
1
inches
4
2
inches
3
C.
D.
What is the next term in the sequence? 0, 3, 8, 15, 24 . . . ?
A.
7.
B.
36
B.
35
C.
34
D.
37
What is the third term of the sequence defined by an = 4n + 6?
A.
6
B.
10
C.
14
D.
18
1
inches
3
Decide whether each sequence is Arithmetic, Geometric, or neither. Write why you
chose your answer.
8.
1 1 1 1
, , , ... A G n
2 3 4 5
10.
1,
1 1 1
, , ...
2 4 8
A G n
9.
−2, 4, 10, 16, 22 . . . A G n
11.
1, 2, 4, 9, 16. . .
A G n
3
12.
13.
Which series is represented by
 (5i  3) ?
i1
A.
8 + 13 + 18 + . . .
B.
3 + 8 + 13
C.
8 + 13 + 18
D.
3 + 8 + 13 + . . .
List the first 4 terms of the sequence: an = 5 – 2n2
_____________ , _____________ , _____________ , _____________
14. Name the Greek letter for the summation sign:

_______________ (1 pt)
15. Write a rule for the nth term of the arithmetic sequence.
2, 9, 16, 23, . . .