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

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


   

Question 334267: Tickets=-0.2^2+12+11
Does the graph of this equation open up or down? How did you determine this?
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


For all quadratic functions in the form:



The graph opens upward if and only if

John

My calculator said it, I believe it, that settles it