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messersmith_power_introductory_algebra_1e_ch4_7_10

ANSWERS TO YOU TRY EXERCISES 1) Answers may vary; in solution set: (2, 4), (0, 2), (4, 1); not in solution set: (0, 0), (3, 1), (2, 3) y 2) a) b) x x 3y y 5 x 2y 4 5 5 5 3) a) b) x y 3 2 y x 2 y 3x y 4) 5) x y 5 y 2 3x 2y 2 5 5 5 y y x 2 2 x y 3 6) x y 5 x 0 y 0 y x 1 12 5 5 5 ANSWERS TO TECHNOLOGY EXERCISES 1) 2) 3) 4) 5) 6) x x x 294 CHAPTER 4 Linear Equations and Inequalities in Two Variables www.mhhe.com/messersmith


messersmith_power_introductory_algebra_1e_ch4_7_10
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