Chapter 4 Plan What are your goals for Chapter 4? How can you accomplish each goal? 1 Be prepared before and during class. • Don’t stay out late the night before, and be sure to set your alarm clock! • Bring a pencil, notebook paper, and textbook to class. • Avoid distractions by turning off your cell phone during class. • Pay attention, take good notes, and ask questions. • Complete your homework on time, and ask questions on problems you do not understand. 2 Understand the homework to the point where you could do it without needing any help or hints. • Read the directions, and show all of your steps. • Go to the professor’s offi ce for help. • Rework homework and quiz problems, and fi nd similar problems for practice. 3 Use the P.O.W.E.R. framework to help you take notes in class: Evaluate Your Class Notes. • Read the Study Strategy that explains how to use P.O.W.E.R. • What does P.O.W.E.R. stand for? • Complete the emPOWERme that appears before the Chapter Summary. 4 Write your own goal. • What are your objectives for Chapter 4? How can you accomplish each objective? 1 Know how to solve systems by graphing, the substitution method, and the elimination method. • Understand the three different methods for solving linear systems. • Write a procedure for each method of solving a system of equations. • Be able to quickly decide the best way to solve a linear system. 2 Know how to solve application problems that involve systems of two equations. • Learn the procedure for Solving an Applied Problem Using a System of Equations. • Be able to apply the procedure to problems involving general quantities, geometry, cost, mixture, and distance, rate, and time problems. 3 Know how to solve and graph linear inequalities in two variables. • Defi ne a linear inequality in two variables, half plane, and test point. • Learn the procedure for Graphing a Linear Inequality in Two Variables using a test point as well as using a slope-intercept form. • Learn the procedure for Solving a System of Linear Inequalities by Graphing. 4 Write your own goal. • www.mhhe.com/messersmith CHAPTER 4 Linear Equations and Inequalities in Two Variables 243
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