Quick Chapter 9 Midterm Review
1. Determine if each series is arithmetic,
geometric or neither.
a) 8, 5, 2, -1, -4, ...
b) 4, 6, 9, 13, 18, ...
c) 3, 6, 12, 24, 48, ...
d)
e)
2. Find the first 4 terms of each sequence.
n
b) bn = 4(-2)
a) an = 3n - 2
c) c1 = 4
cn+1 = cn + 3
3. Evaluate
a)
c)
b)
d)
4. Insert 3 arithmetic means between 4 and -81.
5. A geometric sequence has a first term of -2 and a
6th term of 486. Write a rule for the sequence.