WorksheetsArithmetic & Geometric Sequences
Total questions: 8
Worksheet time: 9mins
Name
Class
Date
1.
Which of the following is the general term of the sequence 1, 4, 27, 256, ...?
a)
n
b)
n2
c)
n3
d)
nn
2.
a)
-2
b)
1/3
c)
1/2
d)
3
3.
The general term of an arithmetic sequence is 4- 5n. What is the common difference?
a)
5
b)
4
c)
-1
d)
-5
4.
If x, a, y, 2a are in arithmetic sequence, find the value of x/y.
a)
1/4
b)
1/3
c)
1/2
d)
3
5.
Given that 27, 23, 19, ....... is an arithmetic sequence.
What is the 12th term?
a)
3
b)
-5
c)
-17
d)
-21
6.
The first term of a geometric sequence is 2. The 4th term of the sequence is -54. Find the common ratio.
a)
6
b)
3
c)
-3
d)
-6
7.
Given 29, 25, 21, ... is an arithmetic sequence. How many positive terms are there?
a)
7
b)
8
c)
9
d)
10
8.
Consider the geometric sequence
−1251,251,−51, 1, ...If the mth term of the sequence is -3125, find the value of m.
a)
8
b)
9
c)
10
d)
11
100 %
