120917 3.1 3.2 Solving System of Equations.notebook

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120917 3.1 3.2 Solving System of Equations.notebook 1 September 17, 2012

Transcript of 120917 3.1 3.2 Solving System of Equations.notebook

Page 1: 120917 3.1 3.2 Solving System of Equations.notebook

120917 3.1 3.2 Solving System of Equations.notebook

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September 17, 2012

Page 2: 120917 3.1 3.2 Solving System of Equations.notebook

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Warm­Up

Graph x­2y=0 and x+y=6 on the same coordinate plane.

Example 1.)

Graph 9x ­ 6y = ­6 and 6x ­ 4y = ­4 on the same coordinate plane

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120917 3.1 3.2 Solving System of Equations.notebook

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Example 2.) Graph 15x­6y=0 and 5x­2y=10 on the same coordinate plane.

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120917 3.1 3.2 Solving System of Equations.notebook

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Example 4b.)

Use substitution to solve the system of equations:x + 2y = 81/2 x ­ y = 18

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120917 3.1 3.2 Solving System of Equations.notebook

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Example 5.)

Use substitution to solve the system of equations:x + 4y = 26x ­ 5y = ­10

Example 6.) Solve the system of equations using elimination:4a+2b=152a+2b=7

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120917 3.1 3.2 Solving System of Equations.notebook

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Example 7.) Solve the system of equations using elimination:

3x ­ 7y = ­145x + 2y = 45

Example 8.) Solve the system of equations using elimination:

2x + 3y = 125x ­ 2y = 11

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120917 3.1 3.2 Solving System of Equations.notebook

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September 17, 2012