57) 5x 3y 9 58) 2x 3y 9 2x 3y 12 x 6y 12 59) x 6 60) x 5 y 1 y 3 61) x 0 62) x 0 y 0 y 0 y x 2 y 2 3 x 3 63) x 0 64) x 0 y 0 y 0 y 3x 4 y x 1 65) x 0 66) x 0 y 0 y 0 2x y 3 2x 3y 3 R3) When do you draw a solid boundary line? When do you draw a dashed boundary line? R4) Which objective do you need to spend more time on? Which exercises should you review and rework? R1) When solving a linear inequality in two variables, how do you represent the solution set? R2) When solving a system of linear inequalities in two variables, how do you represent the solution set? Group Activity—These exercises can be found online on Connect. www.mhhe.com/messersmith SECTION 4.5 Linear Inequalities in Two Variables 297
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