Introduction to Sequences

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Show your work for each problem.

1.
What is the next term in the sequence ?
1. a)14
2. b)12
3. c)13
4. d)15
2.
Which type of sequence is ?
1. a)Neither
2. b)Fibonacci
3. c)Arithmetic
4. d)Geometric
3.
In the sequence , what is the common difference?
4.
In the sequence , what is the common ratio?
5.
Find the 5th term of the sequence
6.
Find the next three terms:
7.
What is the formula for the th term of ?
1. a)
2. b)
3. c)
4. d)
8.
What is the 6th term of the geometric sequence ?
1. a)648
2. b)324
3. c)162
4. d)486
9.
Find the 10th term of the sequence
10.
Find the 5th term of the geometric sequence
11.
Write the formula for the th term of
12.
Find the 8th term of the sequence
13.
If and in an arithmetic sequence, what is ?
1. a)4
2. b)3
3. c)5
4. d)2
14.
Find the 20th term of
15.
In a geometric sequence, and . Find the common ratio.
16.
Find the first term of an arithmetic sequence where and .
17.
A bacteria population doubles every hour, starting with 500. How many after 10 hours?
18.
Which term of the sequence equals 99?