SOLUTION: Suppose an elevator is 400 feet above the ground. It descends at a steady rate. After 15 seconds it is 250 feet above the ground. a. Write a linear equation for the height of the

Algebra ->  Linear-equations -> SOLUTION: Suppose an elevator is 400 feet above the ground. It descends at a steady rate. After 15 seconds it is 250 feet above the ground. a. Write a linear equation for the height of the       Log On


   

Question 673856: Suppose an elevator is 400 feet above the ground. It descends at a steady rate. After 15 seconds it is 250 feet above the ground.
a. Write a linear equation for the height of the elevator as a function of time.
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

Suppose an elevator is 400 feet above the ground. It descends at a steady rate. After 15 seconds it is 250 feet above the ground.

(0,400)

(15,250)  m = 150/-15 = -10

 y = -10x + 400