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. • Plan ahead for tests by preparing many days in advance. 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. • Review old material that you have not mastered yet. 3 Use the P.O.W.E.R. framework to help you take notes in class: Checklist for Effective Notes • Read the Study Strategy that explains how to become a better notetaker. • Be sure to personalize the strategy, and notice where you might be able to improve. • 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 Be able to graph linear equations, including vertical and horizontal lines. • Be able to make a table of values that solves the linear equation. • Know how to plot points on the x- and y-axes. • Know what vertical and horizontal lines look like. 2 Be able to find the slope of a line, including slopes for vertical and horizontal lines. Be able to graph lines using slope and another point. • Know the slope formula, given two points. • Know how to fi nd the slope, given an equation. • Be able to use the slope to graph a line. 3 Be able to write an equation of a line, including vertical and horizontal lines. Be able to determine when lines are parallel or perpendicular, and be able to write the equation for a parallel or perpendicular line. • Learn the Point-Slope Formula. • Know the different forms of a line, including slope-intercept, standard form, and vertical and horizontal lines. • Know when slopes are the same and when slopes are negative reciprocals. 4 Learn how to graph a linear inequality and find solutions to a compound linear inequality in two variables. • Learn the procedure for Graphing a Linear Inequality. • Know the meaning of union and intersection when solving compound linear inequalities. www.mhhe.com/messersmith CHAPTER 4 Linear Equations in Two Variables and Functions 137
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