Posted by avincent on Friday, March 7, 2008 at 1:18pm.
x=1 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 sole. (Write your answer in terms of the number of days after ticket sales begin)
MY ANSWER: 60 days
Stuck on this portion:
will tickets peak or be at a low during the middle of the sale and how do you know?

Alegebra  drwls, Friday, March 7, 2008 at 8:04pm
If you try to solve the equation
0.2x^2+12x+11 =0, to get the day when no tickets are sold, you get
x = 0.903 (which makes no sense) and 60.9
x= 60 will be the last day with positive sales. When x=61, the number of sales given by the formula is negative (1.2). Therefore x=60 is the last day tickets are sold.
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