9-1 Geometric Sequences.ppt - 9-1 9-1Geometric GeometricSequences Sequences Warm Up Lesson Presentation Lesson Quiz Holt Holt McDougal Algebra 1Algebra

# 9-1 Geometric Sequences.ppt - 9-1 9-1Geometric...

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Holt McDougal Algebra 1 9-1 Geometric Sequences 9-1 Geometric Sequences Holt Algebra 1 Warm Up Warm Up Lesson Presentation Lesson Presentation Lesson Quiz Lesson Quiz Holt McDougal Algebra 1

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Holt McDougal Algebra 1 9-1 Geometric Sequences Warm Up Find the value of each expression. 1. 2 5 2. 2 –5 3. –3 4 4. (–3) 4 32 5. (0.2) 3 6. 7(–4) 2 –81 81 112 0.008 7. 8. 12(–0.4) 3 –0.768
Holt McDougal Algebra 1 9-1 Geometric Sequences Recognize and extend geometric sequences. Find the n th term of a geometric sequence. Objectives

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Holt McDougal Algebra 1 9-1 Geometric Sequences geometric sequence common ratio Vocabulary
Holt McDougal Algebra 1 9-1 Geometric Sequences The table shows the heights of a bungee jumper’s bounces. The height of the bounces shown in the table above form a geometric sequence. In a geometric sequence , the ratio of successive terms is the same number r , called the common ratio .

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Holt McDougal Algebra 1 9-1 Geometric Sequences Geometric sequences can be thought of as functions. The term number, or position in the sequence, is the input, and the term itself is the output. a 1 a 2 a 3 a 4 1 2 3 4 Position 3 6 12 24 Term To find a term in a geometric sequence, multiply the previous term by r .
Holt McDougal Algebra 1 9-1 Geometric Sequences

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Holt McDougal Algebra 1 9-1 Geometric Sequences The variable a is often used to represent terms in a sequence. The variable a 4 (read “ a sub 4”)is the fourth term in a sequence. Writing Math
Holt McDougal Algebra 1 9-1 Geometric Sequences Example 1A: Extending Geometric Sequences Find the next three terms in the geometric sequence. 1, 4, 16, 64,… Step 1 Find the value of r by dividing each term by the one before it.

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• Fall '16
• SANDRA MARSH

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