The document discusses representing series of numbers through summation notation. It explains that a series can be either finite, with a set number of terms, or infinite, with an unlimited number of terms. Examples are provided to demonstrate calculating partial sums and full sums of series. Properties of series are outlined. Students are assigned problems from the textbook to practice finding sums of different finite and infinite series.

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9.1B: Series
Essential Question:
How do you represent a series of numbers?
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What's a Series?
Finite Series:
Infinite Series:
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Summation Notation
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Ex. 1) Find each sum.
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Ex. 2) Find the sum.
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Properties
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Finite Series:
Infinite Series:
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Ex. 3) For the series below, find the a) 3rd partial sum
and b) the sum.
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Assignment:
9.1B p. 650 #73, 77, 79, 89, 90,
93, 96, 99, 103, 104
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