SOLUTION: The diameter of a tree increases by 0.2 inches with each passing year. When you started observing the tree, its diameter was 4 inches. Give the y-intercept or the initial value w

Algebra ->  Linear-equations -> SOLUTION: The diameter of a tree increases by 0.2 inches with each passing year. When you started observing the tree, its diameter was 4 inches. Give the y-intercept or the initial value w      Log On


   

Question 878495: The diameter of a tree increases by 0.2 inches with each passing year. When you started observing the tree, its diameter was 4 inches.
Give the y-intercept or the initial value when you started observing the tree
Answer by fcabanski(1391) About Me  (Show Source):
You can put this solution on YOUR website!
The initial value is 4 inches.


The equation that represents the situation is y = .2x + 4 where x is the number of years and 4 is the y-intercept, or the initial value. When x=0 (0 years, the start when you first observed the tree) y=4.