SOLUTION: In 1988, 534,000 people worked in the air transportation industry. In 2004, the number was 496,000. a) Find the linear equation giving the number of employees in the air transport

Algebra ->  Equations -> SOLUTION: In 1988, 534,000 people worked in the air transportation industry. In 2004, the number was 496,000. a) Find the linear equation giving the number of employees in the air transport      Log On


   

Question 1038842: In 1988, 534,000 people worked in the air transportation industry. In 2004, the number was 496,000.
a) Find the linear equation giving the number of employees in the air transportation industry in terms of x, the number of years since 1988.
b) Assuming the equation remains valid in the future, in what year will there be 450,000 employees in the industry?
a) The linear equation determined by the two points in part a) is y=____x+__________
b) When will the number of employees of the air transport industry reach 450,000
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


Let represent the number of years since 1988, so represents 1988 and represents 2004. Now you can form two ordered pairs:



and



Use the Two-Point Form to find your equation.



where and are the coordinates of the given points.

Once you have your equation, let , solve for , and then calculate

John

My calculator said it, I believe it, that settles it