SOLUTION: Tickets=-0.2x^2+12x+11 Does the graph of this equation open up or down? How do you know?

Algebra ->  Quadratic Equations and Parabolas -> SOLUTION: Tickets=-0.2x^2+12x+11 Does the graph of this equation open up or down? How do you know?      Log On


   

Question 276032: Tickets=-0.2x^2+12x+11
Does the graph of this equation open up or down? How do you know?
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
it opens down since the coefficient of x^2 is negative