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Unit: Series

Not feeling ready for this? Check out Get ready for Precalculus.

About this unit

This unit explores geometric series, which involve multiplying by a common ratio, as well as arithmetic series, which add a common difference each time. We'll get to know summation notation, a handy way of writing out sums in a condensed form. Lastly, we'll learn the binomial theorem, a powerful tool for expanding expressions with exponents.

Geometric series

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Practice

Geometric series (with summation notation)

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Practice

The binomial theorem

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Practice

Arithmetic series

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Practice

Unit test

Test your understanding of Series with these 9 questions.