Page 130 - Math Course 3 (Book 1)
P. 130

Direct Variation Equation





         Dustin ran a 26-mile marathon in 3.25 hours. Graph the equation.
         A.                                                B.
             40                                                 40
             35
                                                                35
            Distance (miles)  30                              Distance (miles)  30
             25
                                                                25
             20
                                                                20
                                                                15
             15
             10
               5                                                10
                                                                  5
               0     1    2   3   4    5    6    h                0     1    2   3   4    5    6    h

         C.                                                D.
             40                                                  40
                                                                 35
             35
            Distance (miles)  30                               Distance (miles)  30
                                                                 25
             25
             20
                                                                 20
             15
                                                                 15
             10
               5                                                 10
                                                                  5
               0     1    2   3   4    5    6    h                 0     1    2   3   4    5    6    h


           Answer






          Skill Practice!




        Name the constant of variation for each equation. Then determine the slope of the line that passes through
        each pair of points.

        1.                               2.                              3.






























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