High School Algebra
Domain Seeing Structure in Expressions
Cluster Write expressions in equivalent forms to solve problems.
Standard Derive the formula for the sum of a finite geometric series (when the common ratio is not 1), and use the formula to solve problems. <span class='clarification'>For example, calculate mortgage payments.</span>

A-SSE.B.4. Derive the formula for the sum of a finite geometric series (when the common ratio is not 1), and use the formula to solve problems. For example, calculate mortgage payments.