x ( is the day tickets go on sale).

Tickets= -0.2x^2 +12x+11

Use the quadratic equation to determine the last day that tickets will be sold.

Answer should be in terms of the number of days after ticket sales begin.

Question

x (  is the day tickets go on sale).

Tickets= -0.2x^2 +12x+11

Use the quadratic equation to determine the last day that tickets will be sold.

Answer should be in terms of the number of days after ticket sales begin.

anonymous · Answer

Mid 61st Day

You find it by solving for zero and then taking the larger number.

anonymous · Answer

Is this the right way to show the 61st day?

-0.2x^2+12x+11=0
	x=[-12+-sqrt(144-4*-0.2*11)]/(-0.4)
	x=[-12+-sqrt(152.8)]/(-0.4)
	Then we do 
	x= [-12-12.36]/-0.4
	x= 60.9

anonymous · Answer

The answer is right, I didn't look into your math all that much....

anonymous · Answer

I believe the answer is right, just wanted to try and figure it out lol
Thanks for your help though :)