Get Full Access to Lumos StepUp High School Algebra 2 - Mathematics Practice test + Workbook
Currently, you have limited access to Lumos StepUp High School Algebra 2 - Mathematics Practice test + Workbook. The Full Program includes,
Buy ACTASPIRE Practice Resources

Write a formula to describe the sum of the finite geometric series if the first three terms are -5, 20 and -80. Use your formula to find the sum of the first 7 terms in the series.