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Lesson 12.3 Part I Geometry Sequences Algebra II Spring 2012 Agenda 1. 2. 3. 4. Faux Quiz Homework review and check Lesson 12.3, part 1 Geometric Sequences Homework: On pages 814-817, do exercises 1-4, 6,9,15, 18, 21, 28, 31, 34, 39, 40 and 46. Faux Quiz 1. Given the sequence 2, 11, 20, 29, 38…. a) Tell whether it is arithmetic b) Why or why not c) Find a rule 2. Find 8 𝑖=1 (3𝑖 − 1) Geometric Sequences Listed below are a few Geometric sequences. • Describe the sequence. • Find the 6th term • Find the rule. • Check the rule with the first 4 terms of the sequence. • Graph the sequence a) 3, 6, 12, 24, 48 b) 64, 32, 16, 8, 4 Geometric Sequences • What do you notice about all of the sequences (what do they have in common?)? • What do you notice about all of the graphs? • How can you recognize an geometric sequence?