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.Com
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)   (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
RELATED QUESTIONS

How do I set up the linear equation for... In 1990, 525,000 people worked in the air... (answered by solver91311,josgarithmetic)
In 1986, 523,000 people worked in the air transportation industry. In 2002, the number... (answered by MathLover1,MathTherapy)
In 1990, 528,000 people worked in the air transportation industry. In 2006, the number... (answered by josmiceli)
For the following exercise, write a linear function to model the given data and make the... (answered by Boreal,Theo)
A cereal company finds that the number of people who will buy one of its products in the... (answered by math_tutor2020,ikleyn)
What power of 10 is needed to write the number 47,000,000 in scientific... (answered by josgarithmetic)
In 2003, the average monthly rainfall in Mathborough was 41.5 mm. In 2004, the average... (answered by checkley77)
IN 1988, the number of transmitters in the Intel 386 Sx was 275,000. It has doubled every (answered by Fombitz)
if you earned up to 5,000,000 in 2016 from an employer, your social security tax rate was (answered by Theo)