Page 102 - IM_Algebra2_FL Print Sample.pdf

Lesson 3 Practice Problems
Problem Statement
Here are the rst two terms of some di erent arithmetic sequences:
a. -2, 4
b. 11, 111
c. 5, 7.5 d. 5, -4
What are the next three terms of each sequence?
Solution
a. 10, 16, 22
b. 211, 311, 411
c. 10, 12.5, 15 d. -13, -22, -31
Problem Statement
For each sequence, decide whether it could be arithmetic, geometric, or neither.
a. 200, 40, 8, . . . b. 2, 4, 16, . . .
c. 10, 20, 30, . . . d. 100, 20, 4, . . . e. 6, 12, 18, . . .
Solution
a. geometric b. neither
c. arithmetic d. geometric e. arithmetic
Unit 1
Lesson 3 Practice Problems 37