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Lesson 2-1 Graphing and Writing Inequalities
Obj: The student will be able to 1) Identify solutions of inequalities in one variable 2) Write and graph inequalities in one variable HWK: p all, all, even, all Vocab: 1) inequality 2) solution of an inequality Notes: > < = open dot ( ) ≥ ≤ = closed dot ( )
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Ex 1) Describe in words the solutions of 3 + x ≤ 9
Ex 1) Describe in words the solutions of 3 + x ≤ 9. Test values for x that are positive, negative and 0. x x x ≤ 9 solution??
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Graph each inequality Ex 2) b < Ex 3) m ≥ Ex 4) 2² - 4 ≥ w
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Write an inequality shown by each graph
Ex 5) Ex 6)
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Ex 7) The members of a light weight crew team can weigh no more than 165 pounds each. Define a variable and write an inequality for the acceptable weights of the team members. Graph the solutions.
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