Page 117 - Math Course 3 (Book 1)
P. 117

Slope-Intercept Form Equations





                 The amount of money spent on Christmas gifts has increased by an average of $150,000 ($0.15 million)
                 per year since 1986. Consumers spent $3 million in 1986. Graph the equation.




                 A.     5.0    Christmas Spending                B.      5.0    Christmas Spending

                     Amount of Money Spent  (millions of dollars)  4.5  Amount of Money Spent  (millions of dollars)  4.5


                                                                         4.0
                        4.0
                        3.5
                                                                         3.5
                                                                         3.0
                        3.0
                        2.5
                          0    1  2   3  4   5   6  7  8   9  10         2.5 0    1  2   3  4   5   6  7  8   9  10
                                Years Since 1986                                 Years Since 1986


                               Christmas Spending                               Christmas Spending
                 C.     5.0                                      D.      5.0
                     Amount of Money Spent  (millions of dollars)  4.5  Amount of Money Spent  (millions of dollars)  4.5


                        4.0
                                                                         4.0
                        3.5
                                                                         3.5
                                                                         3.0
                        3.0
                        2.5
                          0    1  2   3  4   5   6  7  8   9  10         2.5 0    1  2   3  4   5   6  7  8   9  10
                                Years Since 1986                                 Years Since 1986




                  Answer







                 The amount of money spent on Christmas gifts has increased by an average of $150,000 ($0.15 million)
                 per year since 1986. Consumers spent $3 million in 1986. Find the amount spent by consumers in 1999.

                 A. $5 million
                 B. $3 million
                 C. $4.95 million
                 D. $3.5 million



                  Answer


















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