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x=1 is the day tickets go on sale.

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 -

    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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