Learn about geometric sequences. Understand what a geometric sequence is, learn how to find the common ratio of a geometric sequence, and see examples.

Get the geometric sequence definition and view examples. Learn how to find the nth term of a geometric sequence using the geometric sequence formula.

Learn how to find the sum of a geometric sequence and the formula used. See examples of geometric sum equations and how to find the sum of a geometric series.

Define what a geometric series is and compare finite and infinite series. Using examples, learn the geometric series formula and how to solve geometric series.

Learn how to translate between explicit & recursive geometric formulas, and see examples that walk through sample problems step-by-step for you to improve your math knowledge and skills.

Explore the concept of geometric sequence in just 5 minutes! Master the formula and explore real-life examples of this mathematical principle, followed by a quiz.

Infinite Series Formula The infinite series formula for a geometric series is ∑ k = 1 ∞ a r k − 1, where a is the first term in the series and r is the common ratio.

Learn how to use the sum of an infinite geometric series formula in this 5-minute video lesson. Enhance your math skills by taking a quiz for practice.

A geometric sequence is where each number is the previous number multiplied by a constant (common ratio). The formula for finding the sum of the first n terms is: a (1-r^n)/ (1-r), where:

Learn the definition of a common ratio in a geometric sequence and the common ratio formula. Also, see examples on how to find common ratios in a geometric sequence.