Arithmetic Sequences & Series (Learn Algebra 2)

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Learn all about arithmetic sequences and series in this video by Mario's Math Tutoring. We discuss the formula for finding a specific term in an arithmetic sequence as well as the formula for finding the sum of an arithmetic series. We discuss the sigma (summation) notation, as well as go through numerous example problems.

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0:08 What is an Arithmetic Sequence and Series?
0:54 How to find the formula, sixth term and 100th term in the sequence 3,5,7,9,11,
1:15 Discussion of the notation when working with sequences
3:55 Example b Find the Sum of the first 6 terms
4:11 Discussion of where the Arithmetic Sum of a Series Comes From
5:20 Example c Find the Sum of the Series given in Summation Notation
6:46 Example d Write a Rule for the Arithmetic Sequence 12, 7, 2,...
8:04 Example e Write a rule given the third term is 8 and the 6th term is 23
10:29 Example f Find the Sum of an arithmetic series given in summation notation.
11:40 Example g Find the sum of an arithmetic series given in summation notation.
12:12 Example h find the number of terms in an arithmetic series given the sum
14:20 Example 1 Write a rule for the Arithmetic Sequence -6, -2, 2, 6, 10...
15:11 Example 2 Find the Sum of the First 18 terms of -6 + -2 + 2 + 6...
16:06 Example 3 Find the sum of the Arithmetic Series in Sigma notation
17:03 Example 4 Write a rule for the arithmetic sequence given a term and the common difference
18:22 Example 5 Write a Rule for the arithmetic sequence given 2 terms.
19:40 Example 6 Find the number of terms of the Arithmetic Series given in Summation notation and given the sum.

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