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Module 3 Arithmetic and Geometric Sequences

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Presentation on theme: "Module 3 Arithmetic and Geometric Sequences"โ€” Presentation transcript:

1 Module 3 Arithmetic and Geometric Sequences

2 Module 3.2 Arithmetic and Geometric Sequences

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4 Arithmetic Sequence Formulas
Recursive Formula Explicit Formula ๐’‡ ๐Ÿ = _________ ๐’‡ ๐’• = ๐’… ๐’• +๐’‡ ๐ŸŽ ๐’‡ ๐’• =๐’‡ ๐’•โˆ’๐Ÿ +๐’… ๐’‡ ๐’™ =๐’Ž๐’™+๐’ƒ ๐’‡ ๐Ÿ ๐’Š๐’” ๐’‡๐’Š๐’“๐’”๐’• ๐’•๐’†๐’“๐’Ž ๐’… ๐’Š๐’” ๐’”๐’๐’๐’‘๐’† ๐’‡ ๐ŸŽ ๐’Š๐’” ๐’šโˆ’๐’Š๐’๐’• ๐’… ๐’Š๐’” ๐’˜๐’‰๐’‚๐’• ๐’š๐’๐’– ๐’‚๐’“๐’† ๐’‚๐’…๐’…๐’Š๐’๐’ˆ ๐’๐’“ ๐’”๐’–๐’ƒ๐’•๐’“๐’‚๐’„๐’•๐’Š๐’๐’ˆ

5 Arithmetic Sequence Formulas
Recursive Formula Explicit Formula ๐’‡ ๐ŸŽ =๐Ÿ ๐’‡ ๐’• =๐’‡ ๐’•โˆ’๐Ÿ +๐Ÿ’ ๐’‡ ๐’• =๐Ÿ’๐’•+๐Ÿ

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8 Recursive Formula ๐‘“ 0 =3 ๐‘“ ๐‘ก =๐‘“(๐‘กโˆ’1)(2) Explicit Formula ๐‘“ ๐‘ฅ =3 (2) ๐‘ก

9 ๐‘“ 1 = ______ ๐‘“ ๐‘ฅ =๐‘“(1) (๐‘Ÿ) (๐‘ฅโˆ’1) ๐‘“ ๐‘ฅ =๐‘“ ๐‘ฅโˆ’1 (๐‘Ÿ) or ๐‘“ ๐‘ฅ =๐‘“(0) (๐‘Ÿ) ๐‘ฅ
Recursive Formula Explicit Formula ๐‘“ 1 = ______ ๐‘“ ๐‘ฅ =๐‘“(1) (๐‘Ÿ) (๐‘ฅโˆ’1) ๐‘“ ๐‘ฅ =๐‘“ ๐‘ฅโˆ’1 (๐‘Ÿ) or ๐‘“ ๐‘ฅ =๐‘“(0) (๐‘Ÿ) ๐‘ฅ a. 1, โ€“6, 36, โ€“216, . . . b. 2, 4, 6, 8, . . . Recursive Formula ๐‘“ 1 =1 ๐‘“ ๐‘ฅ =๐‘“ ๐‘ฅโˆ’1 (โˆ’6) Explicit Formula ๐‘“ ๐‘ฅ =1 (โˆ’6) (๐‘ฅโˆ’1) Or ๐‘“ ๐‘ฅ = โˆ’1 6 (โˆ’6) ๐‘ฅ

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11 HW 3.2 #1-14 and 3.3 #1-9

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