SOLUTION: Examine the rise in gasoline prices from 1997 to 2006. The price of regular unleaded gasoline in January 1997 was $1.26 and in January 2006 the price of regular unleaded gasoline w

Algebra ->  Finance -> SOLUTION: Examine the rise in gasoline prices from 1997 to 2006. The price of regular unleaded gasoline in January 1997 was $1.26 and in January 2006 the price of regular unleaded gasoline w      Log On


   



Question 139913: Examine the rise in gasoline prices from 1997 to 2006. The price of regular unleaded gasoline in January 1997 was $1.26 and in January 2006 the price of regular unleaded gasoline was $2.31 (Bureau of Labor Statistics, 2006). Use the coordinates (1997, 1.26) and (2006, 2.31) to find the slope (or rate of change) between the two points. Describe how you arrived at your answer.
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
slope=(y2-y1)/(x2-x1)
(x1,y1)(x2,y2)
(1997,1.26)(2006,2.31)
(2.31-1.26)/(2006-1997)
1.05/9=.11667 is the slope of this data.