1. Number and Algebra

Geometric Series — Quiz

Test your understanding of geometric series with 5 practice questions.

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Practice Questions

Question 1

What is the common ratio of the geometric sequence $3, 6, 12, 24, \dots$?

Question 2

What is the next term in the geometric sequence $5, 15, 45, \dots$?

Question 3

What is the sum of the first four terms of the geometric sequence $2, 4, 8, 16?

Question 4

Which formula gives the sum of the first $n$ terms of a geometric series with first term $a$ and common ratio $r$, where $r \neq 1$?

Question 5

What is the sum to infinity of the geometric series $8 + 4 + 2 + 1 + \dots$?