Graphing Linear Equations in Two Variables 3 CHAPTER OUTLINE 3.1 Rectangular Coordinate System 212 3.2 Linear Equations in Two Variables 221 3.3 Slope of a Line and Rate of Change 236 3.4 Slope-Intercept Form of a Linear Equation 250 Problem Recognition Exercises: Linear Equations in Two Variables 260 3.5 Point-Slope Formula 261 3.6 Applications of Linear Equations and Modeling 269 Group Activity: Modeling a Linear Equation 277 211 Chapter 3 Review Your Skills In this chapter, we study graphing and focus on the graphs of lines. Your skill at solving linear equations in one variable will be very important in this chapter. Complete the puzzle to check your readiness. Across z 2. Solve. 8 1 6 4. Simplify. 15x 51x 492 10x 2000 5. Smallest positive integer that can be used to clear decimals. 0.06x 1.8 2 2.251 Down 1. Solve. 2a 3 45 3. 102 1223 11 4. Solve. 5. Smallest positive integer that can be used to clear fractions. 1 2 y 3 4 412x 12 5x 56 5 3 y 1 1 2 2 4 5 3 8 6 2 4 5 4 8 0 1 0 0 2 2 0
miller_introductory_algebra_3e_ch1_3
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