IXL - Partial sums of arithmetic series (Precalculus practice)

or

Find the third partial sum of the series.

–

3

–

2

–

1

+

0

+

1

+

2

+

Write your answer as an integer or a fraction in simplest form.

S

3

=

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or

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BB.5Introduction to partial sums

BB.3Find the sum of an arithmetic series