SOLUTION: The price p in dollars for a particular stock can be modeled by the quadratic equation p = 3.5t^2 .05t, where t represents the number of days after the stock is purchased. When is

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons  -> Quadratic Equation Lesson -> SOLUTION: The price p in dollars for a particular stock can be modeled by the quadratic equation p = 3.5t^2 .05t, where t represents the number of days after the stock is purchased. When is       Log On


   

Question 1073054: The price p in dollars for a particular stock can be modeled by the quadratic equation p = 3.5t^2 .05t, where t represents the number of days after the stock is purchased. When is the stock worth $60?
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
The price p in dollars for a particular stock can be modeled by the quadratic equation p = 3.5t^2 .05t, where t represents the number of days after the stock is purchased.
When is the stock worth $60?
:
P=60, assuming it is +.05
3.5t^2 + .05t = 60
3.5t^2 + .05t - 60 = 0
Using the quadratic formula
t ~ 4 days