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Week 3 09.24.17 Day 1 Solving Inequalities In One Variable.notebook September 24, 2018 Do Now! • Take out your IMN, pencil, and calculator. • Clear everything else off your desk! • TOC: pg. 38, Solving/Graphing Inequalities in One Variable pg. 39, Solving Inequalities Practice pg. 40, Slope 1 Week 3 09.24.17 Day 1 Solving Inequalities In One Variable.notebook September 24, 2018 Learning Target: I can write and solve linear inequalities in one variable. MGSE9-12.A.CED.1 Create equations and inequalities in one variable and use them to solve problems. Include equations arising from linear functions. 2 Week 3 09.24.17 Day 1 Solving Inequalities In One Variable.notebook September 24, 2018 Solving and Graphing Inequalities in One Variable The Golden Rule of Inequalities Whenever you MULTIPLY or DIVIDE both sides of an inequality by a NEGATIVE NUMBER, you must flip the inequality symbol. 1. Isolate the variable. (Use same rules for solving equations.) 2. Check the order! (Variable Symbol Constant) 3. Circle the number on the number line. 4. Open or Closed circle? 5. Shade appropriately. Open Circle Example: 5 3x 13 + x Closed Circle 3 Week 3 09.24.17 Day 1 Solving Inequalities In One Variable.notebook September 24, 2018 Solving Inequalities Examples 1. 5x 12 < 3x 4 2. 14x + 5 < 7(2x 3) 3. 12x 1 > 6(2x 1) 4
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