12.5 – Sigma Notation. Quick Notes about the test All formulas will be given to you Mainly a 1 day test – Wed, 3/9 The Ratio Test will be on it: Just.

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Presentation transcript:

12.5 – Sigma Notation

Quick Notes about the test All formulas will be given to you Mainly a 1 day test – Wed, 3/9 The Ratio Test will be on it: Just 1 question We will take that one question on Tuesday during the last 15 minutes of class.

Vocabulary maximum value of n starting value of n expression for general term Sigma – “take the sum of…” Read: “the summation from n = 1 to k of a n ”

Write the expression in expanded form and then find the sum. = = 3236

Write the expression in expanded form and then find the sum. = = -8

Express each series using sigma notation – …+ 33

Exit Slip Rip a piece of paper in half. This must be completed by yourself. Turn it over when you are finished. You have 5 minutes. You may use your notes.

Write the following series in sigma notation … + -4