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Lesson 2 Practice Problems
Problem Statement
Here are the rst two terms of a geometric sequence: 2, 4. What are the next three terms?
Solution
8, 16, 32. The common ratio is 2.
Problem Statement
What is the common ratio of each geometric sequence?
a. 1,1,1,1,1
b. 256, 128, 64
c. 18, 54, 162
d. 0.8, 0.08, 0.008 e. 0.008, 0.08, 0.8
Solution
a. 1 b.
c. 3
d. 0.1
e. 10
Problem Statement
Here is an image of a triangle showing how it changes with each step.
a. Complete this table showing the number of shaded triangles in each step and the area of each triangle. The large outside triangle has an area of 256 in2.
26
Teacher Guide
Algebra