193 Graphing Linear Equations in Two 3 Variables CHAPTER OUTLINE 3.1 Rectangular Coordinate System 194 3.2 Linear Equations in Two Variables 203 3.3 Slope of a Line and Rate of Change 218 3.4 Slope-Intercept Form of a Linear Equation 232 Problem Recognition Exercises: Linear Equations in Two Variables 242 3.5 Point-Slope Formula 243 3.6 Applications of Linear Equations and Modeling 251 Group Activity: Modeling a Linear Equation 259 Chapter 3 In this chapter, we will need the skill of solving an equation for a particular variable. Are You Prepared? This puzzle will practice that skill. For each equation, solve for the variable y. Then match the equation with an answer below. Write the word associated with the answer in the blanks below to form a sentence. 1. 2. 3. 4. 5. 2x 4y 10 6. 2x 3y 9 7. 6x 3y 5 8. x 3y 1 3x 2y 6 4x y 7 x 2y 3 2x y 9 y 3 2 1 2 3 2 y x 3 IS THE x y 2x 9 y 4x 7 WRITTEN POINT INTERCEPT SLOPE 5 3 y y 4x 7 TO EQUATION 1 3 x 1 3 IN y FORM y 1 2 x 5 2 2 3 x 3 y 2 3 y 2x x 3 5 6 7 8 3 4 y mx b 1 2
miller_beginning_intermediate_algebra_4e_ch1_3
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