Solving Equations and Inequalities Basics
Learn how to solve equations and inequalities with clear examples and rules. Practice solving literal equations and compound inequalities to strengthen your math skills. Warm-up exercises and homework assignments included for comprehensive practice.
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Presentation Transcript
1.4 Solving Equations Objective: I can solve equations
Solving Equations Golden Rule of Equations: What you do to one side of an equation must be done to the other side. 2? 1 = ? + 11 ? 2? + 5 = 13 5 ? 5 ? 1 = 11 +1 2? = 8 2 +1 2 ? = 12 ? = 4 2 4 + 5 = 13 2 12 1 = 12 + 11 23 = 23
Warm Up Sept. 15, 2015 Question 1 Question 2
Literal Equations Equation that uses at least two different variables Solve for k Solve for k ? 2? = 15 ? 4? 2 = 2? 14 +2? ? +2? 2? = 15 ? 2 6? 2 = 14 +2 2 +2 6? = 2 14 6 ? = 7 3 ? =15 ? 6 or 2 3 7 Homework: p. 30-31 29-44,53,62 all 3
1.5 Solving Inequalities Today s Objective: I can solve inequalities
Warm Up Sept. 16, 2015 Solve each problem: 1. 2.
Solving Inequalities Inequality Basics 4(3? + 2) 16 4 4 or by neg. # flip inequality 3? + 2 4 2 2 Graphing Solution > and < open dot and closed dot 3? 6 3 ? 2 3 Shade the truth: Which side of dot makes inequality true?
Compound Inequalities Or inequalities And inequalities Or 3? 2 2 +2 7? 3 > 18 +3 3 < 5? 2 < 7 +2 +3 3 < 5? 2 +2 5? 2 < 7 +2 +2 7? > 21 7 3? 0 3 +2 7 3 5 < 5? 5 1 < ? 5? < 9 5 ? <9 ? > 3 ? 0 5 5 5 Pg. 38 #11 35 odds
