If you're seeing this message, it means we're having trouble loading external resources on our website.

If you're behind a web filter, please make sure that the domains ***.kastatic.org** and ***.kasandbox.org** are unblocked.

Main content

- Explicit formulas for arithmetic sequencesGet 3 of 4 questions to level up!

- Explicit formulas for geometric sequencesGet 3 of 4 questions to level up!

Level up on the above skills and collect up to 200 Mastery points

- Summation notation introGet 3 of 4 questions to level up!

- Arithmetic seriesGet 3 of 4 questions to level up!

- Geometric series formulaGet 3 of 4 questions to level up!
- Finite geometric series word problemsGet 3 of 4 questions to level up!
- Finite geometric seriesGet 3 of 4 questions to level up!

Level up on the above skills and collect up to 500 Mastery points

- End behavior of rational functionsGet 3 of 4 questions to level up!

Up next for you:#### Unit test

Level up on all the skills in this unit and collect up to 800 Mastery points!