2-10-20 geometric sequences.notebook...2020/02/02 · 2 10 20 geometric sequences.notebook 1...
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21020 Geometric Sequences.notebook
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February 10, 2020
2/10/20 Algebra 1Warmup: Find the next 3 terms in the following sequences.
Objectives Begin Section 7: Geometric Sequences
2, 6, 18, 54, ...
4, 9, 14, 19, ...
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21020 Geometric Sequences.notebook
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February 10, 2020
Arithmetic, Geometric, or Neither?5, 20, 80, 320, . . .
and what's the common difference or common ratio?
8, 10, 13, 17, . . .
7, 11, 15, 19, . . .
40, 20, 10, 5, . . .
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February 10, 2020
Arithmetic, Geometric, or Neither?and what's the common difference or common ratio?
54, 18, 6, 2, . . .
6, 1, 4, 9, . . .
1, 4, 9, 16, . . .
4, 6, 9, 13.5, . . .
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February 10, 2020
Recursive Formulafor Geometric Sequences
3, 12, 48, 192, . . .
an = an1 ra1 = first term
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February 10, 2020
Write the Recursive Formula9, 18, 36, 72
108, 36, 12, 4, ...
an = an1 ra1 = first term
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February 10, 2020
Explicit Formulafor Geometric Sequences
find the 13th term
an = a1(r)n13, 12, 48, 192, . . .
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Write the Explicit Formulaan = a1(r)n1
and find the 15th term9, 18, 36, 72
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February 10, 2020
Workbook pg 101
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Attachments
Section 7 Workbook Answer Key.pdf
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SMART Notebook
Page 1: Sep 27-12:32 PMPage 2: Aug 24-2:41 PMPage 3: Aug 24-2:41 PMPage 4: Nov 6-7:35 AMPage 5: Nov 6-7:35 AMPage 6: Nov 6-7:35 AMPage 7: Nov 6-7:35 AMPage 8: Jan 31-8:56 AMAttachments Page 1