SOLUTION: suppose you have the quadratic equation of tickets=-0.2x(squared)+ 12x+11 ; x=1 day ticket sales start. does the graph of this equation open up or down? how do you know

Algebra.Com
Question 411096: suppose you have the quadratic equation of
tickets=-0.2x(squared)+ 12x+11 ; x=1 day ticket sales start.
does the graph of this equation open up or down? how do you know

Answer by josmiceli(19441)   (Show Source): You can put this solution on YOUR website!
The graph opens down, in other words,
it has a maximum, and not a minimum.
Suppose you had ,
The peak is at , and any value (+ or -)
of other than will make
less than the peak.

RELATED QUESTIONS

Suppose you are an event coordinator for a large performance theater. One of the hottest... (answered by mananth)
Ticket Sales Suppose you are an event coordinator for a large performance theater. One... (answered by stanbon)
Please help with this homework! Suppose you are an event coordinator for a large... (answered by richwmiller)
The word problem reads as follows: An event coordinator for a theater has requested... (answered by ankor@dixie-net.com)
I need help with the following quadratic equation: 1.Suppose you are an event... (answered by solver91311)
Suppose you are an event coordinator for a large performance theater. One of the hottest... (answered by ewatrrr)
Suppose you are an event coordinator for a large performance theater. One of the hottest... (answered by ewatrrr)
Suppose you are an event coordinatorfor a large performance theater. One of the... (answered by stanbon)
I need help! 1. Suppose you are an event coordinator for a large performance theater.... (answered by richard1234)