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# Unit: Series

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### About this unit

An assortment of concepts in math that help us deal with sequences and proofs.### Learn

### Practice

- Recursive formulas for arithmetic sequencesGet 3 of 4 questions to level up!
- Use arithmetic sequence formulasGet 5 of 7 questions to level up!
- Extend arithmetic sequencesGet 3 of 4 questions to level up!
- Explicit formulas for arithmetic sequencesGet 3 of 4 questions to level up!

Level up on the above skills and collect up to 320 Mastery points

### Practice

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

### Learn

### Practice

- Arithmetic seriesGet 3 of 4 questions to level up!

Level up on the above skills and collect up to 160 Mastery points

### Learn

### Practice

- Extend geometric sequencesGet 3 of 4 questions to level up!
- Extend geometric sequences: negatives & fractionsGet 3 of 4 questions to level up!
- Use geometric sequence formulasGet 3 of 4 questions to level up!
- Explicit formulas for geometric sequencesGet 3 of 4 questions to level up!
- Recursive formulas for geometric sequencesGet 3 of 4 questions to level up!
- Sequences word problemsGet 3 of 4 questions to level up!

Level up on the above skills and collect up to 480 Mastery points

### Learn

### Practice

- Finite geometric seriesGet 3 of 4 questions to level up!

Level up on the above skills and collect up to 160 Mastery points

Up next for you:

Level up on all the skills in this unit and collect up to 1400 Mastery points!