10. Infinite Sequences and Series

Working With Geometric Series — Quiz

Test your understanding of working with geometric series with 5 practice questions.

Practice Questions

Question 1

What is the common ratio of the geometric sequence $5, 10, 20, 40, \dots$?

Question 2

When does an infinite geometric series converge?

Question 3

What is the sum of the infinite geometric series $3+1.5+0.75+\dots$?

Question 4

What happens to the series $2+2+2+2+\dots$?

Question 5

What is the sum of the first four terms of the geometric series $1+3+9+27$?