Algebra II
Activity:
Arithmetic Sequences & Series
Posted on May 21, 2009
Topic: Sequences, Series & Functions
Use formulas to find the differences of the consecutive terms, plot a scatter plot of each sequence, and determine the shape of sequences with common differences. Then use a spreadsheet to display the first n terms and find the sum.
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Activity Key Steps:
Students will use formulas to find the differences of the consecutive terms of a sequence.
Then, students will plot a scatter plot of each sequence and determine that sequences with common differences, also called arithmetic sequences, have scatter plots that form a straight line.
Students will find the sum of the first n terms of a sequence using a formula and using sigma notation.