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Published byDoris Dixon Modified over 6 years ago
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The line containing the base of a right triangle has the equation y = 3x The leg perpendicular to the base has an endpoint at (6, 1). What is the slope-intercept form of the equation of the line containing the leg? Problem of the Day
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Section 2-8 Graphing Linear Inequalities
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Then Now Objectives You graphed linear equations.
Graph linear inequalities.
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Common Core State Standards
Content Standards Common Core State Standards A.CED.3 – Represent constraints by equations or inequalities, and by systems of equations and/or inequalities, and interpret solutions as viable or nonviable options in a modeling context. Mathematical Practices 1) Make sense of problems and persevere in solving them.
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Linear Inequality: it resembles a linear equation, but with an inequality symbol instead of and equals symbol. Vocabulary < or > Dashed Line ≤ or ≥ Solid Line
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Graph 3x y < 2. Example 1
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Graph -x + 2y ≥ 4. Example 1
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Graph x – 2y < 4. Example 1
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One tutoring company advertises that it specializes in helping students who have a combined SAT verbal and math score of 900 or less. Write an inequality to describe the combined scores of students who are prospective tutoring clients. Let x represent the verbal score and y the math score. Does a student with a verbal score of 480 and a math score of 410 fit the tutoring company’s guidelines? Example 2
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Manuel has $15 to spend at the county fair
Manuel has $15 to spend at the county fair. The fair costs $5 for admission, $0.75 for each ride ticket, and $0.25 for each game ticket. Write an inequality, and draw a graph that represent the number x ride and y game tickets that Manuel can buy. Example 2
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p.119 #5, 9, 11, 13, 21, 28, 29 Homework
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