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2-3 Geometric Sequences Definitions & Equations

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Presentation on theme: "2-3 Geometric Sequences Definitions & Equations"— Presentation transcript:

1 2-3 Geometric Sequences 1 2 3 Definitions & Equations
Writing & Solving Geometric Sequences 3 Practice Problems

2 Definitions Geometric Sequence
A sequence in which each term after the first is found by multiplying the previous term by a constant Common Ratio (r) The constant each term is multiplied by in a geometric sequence

3 nth Term of an Geometric Sequence

4 Finding the Next Term Find the next term in the geometric sequence: , 20, 50, 125, ?

5 Finding a Particular Term
Find the eighth term of a geometric sequence for which a1 = -3, and r = -2

6 Write an Equation for the nth Term
Write an equation for the nth term of the geometric sequence 3, 12, 48,192…

7 Find a Term Given the Fourth Term and the Ratio
Find the tenth term of a geometric sequence for which a4 = 108, and r = 3

8 Finding Geometric Means
Find three geometric means between 2.25 and 576.

9 Practice Problems

10 Practice Problems

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