Algebra

posted by .

Posted by Aria on Monday, August 29, 2011 at 2:58pm.


This is a concept check on quadratic equation application. I am having trouble with a couple of parts. If anyone can help I would appreciate it.

Suppose you are an event coordinator for a large performance theater. You need to supply information about projected ticket sales to the manager. You provide a quadratic equation that models expected number of sales for each day 'x'. (x=1 is the day tickets go on sale."
Tickets=-2x^2+12x+11

I answered a.
B. Describe what happens to the ticket sales as time passes.

I am not sure how to determine this. Do I determine this by the vertex or line of symmetry?

I answered C.
D.Will tickets peak or be at a low during the middle of the sale? How do you know?

Again, this question stumps me. How do you tell something like this with a parabola?

I would appreciate a detailed explanation. I don't want answers as much as how to determine the information.

Thanks for helping.

  • Algebra -

    For D).....
    Your parabola should be negative because of the -2X^2. SO the parabola when you graph it is a backwards U. The middle of the backwards "U" has a high maximum so your tickets should be at a peak during the middle of the sale.

  • Algebra -

    As time passes, the ticket sales get higher. Each time you plug in different values of X, the day tickets go on sale, your Y value increases.

  • Algebra -

    Thank you for your help. I understand a whole lot more.

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. college algebra

    find a real-life application of a quadratic function. State the application, give the equation of the quadratic function, and state what the x and y in the application represent. Choose at least two values of x to input into your function …
  2. Spanish-SraJMcGin I'm confused at your answer-plea

    I'm confused by your reply-Is Day of the Saint like having a second birthday?
  3. Algebra

    This is a concept check on quadratic equation application. I am having trouble with a couple of parts. If anyone can help I would appreciate it. Suppose you are an event coordinator for a large performance theater. You need to supply …
  4. College Algebra

    Solve the following equation in the complex number system x^4+x^3+4x^2+10x-60=0 College Algebra - Reiny, Monday, January 2, 2012 at 11:49pm hint x = 2 and x = -3 are roots so either do long division by x-2 and x+3 to get a quadratic …
  5. Algebra

    I am still having trouble solving this problem. Use the quadratic formula to solve this equation: 4k(k+13)=13
  6. English

    Posted by rfvv on Tuesday, August 30, 2011 at 11:11pm. (Thank you for your help in many ways. Would you look at the sentence?
  7. Math 222

    Posted by Tika on Monday, April 27, 2015 at 1:08pm. what is the value of the discriminant and of the real solutions of the quadratic equation?
  8. Math 222

    Posted by Tika on Monday, April 27, 2015 at 5:11pm. Posted by Tika on Monday, April 27, 2015 at 1:03pm. How do I write an quadratic equation whose roots are -1 and -2 and whose leading coefficient is 1. Sorry my equal key does not …
  9. Math 222

    Homework Help: Math 222 Posted by Tika on Monday, April 27, 2015 at 5:10pm. Posted by Tika on Monday, April 27, 2015 at 1:08pm. what is the value of the discriminant and of the real solutions of the quadratic equation?
  10. English

    posted by rfvv on Monday, August 29, 2011 at 12:18am. 1. I have three balls: one is green, another is blue, and the other is white. 2. I have three balls: one is green, a second is blue, and the third is white. (Are both grammatical?

More Similar Questions