2) a) x y 10 10 10 10 y x 6 34 b) x y 5 5 5 5 5x 2y 4 3) x y 5 5 5 5 4) y 3x 1 and y 2x 4 x y 5 5 5 5 x 4 or x 3y 3 ANSWERS TO TECHNOLOGY EXERCISES 1) 2) 3) 4) 5) 6) 4.4 Exercises Do the exercises, and check your work. 1) 2) x 5 5 5 5 x 4 4 x 22xx 3 128 10 10 10 10 Objective 1: Graph a Linear Inequality in Two Variables The graphs of linear inequalities are given next. For each, fi nd three points that satisfy the inequality and three that are not in the solution set. 194 CHAPTER 4 Linear Equations in Two Variables and Functions www.mhhe.com/messersmith
messersmith_power_intermediate_algebra_1e_ch4_7_10
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