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Published byNathan Cook Modified over 2 years ago

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Happy Monday Return Quizzes Go over Quiz Return Chapter 6 part 1 tests Hand out Intervention Letters Signed letters due BY Wednesday

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Warm ups Convert to Slope-Intercept form: 1. 3x – 2y = x + 3y = x + y = x – 4y = x + 2y = 7 Answers: 1.y = 3/2x – 6 2.y = -1/3x y = -2x – 16 4.y = x y = -5/2x + 7/2

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Convert Slope- Intercept to Standard Objective: To convert a linear Equation from slope-intercept form to standard form. Standard 6.0

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Standard Form Ax + By = C Rules: A is positive A,B,C are whole #s No fractions/decimals

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Example 1 Convert the equation to standard form: y = 2x x -2x -2x + y = x – y = -4 *To make A positive, divide (or multiply) everything by -1

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TOO Convert the equation to standard form: 1. y = 4x y = -3x + 4 Answers: 1.4x – y = x + y = 4

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Example 2 Convert the equation to standard form: y = -4x /5x +4/5x 4x + y = 2 5 4x + 5y = 10 *To get rid of the fraction, multiply everything by the denominator. (5)

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Example 3 Write an equation in standard form: m = 3/2 b = 12 y = 3x /2x -3/2x -3x + y = x + 2y = x – 2y = -24 (2) Plug into y = mx + b *To get rid of the fraction, multiply everything by the denominator.

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TOO Convert the equation to standard form: 1. y = 1/2x – 3 2. y = -1/2x + 5/3 3. m = 3/2 b = 12 Answers: 1.x – 2y = 6 2.3x + 6y = x – 2y = -24

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Homework Equations in Two Variables (Part 2) Write an equation in standard form

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