Given w(x) = -2x^2 + 16 + a, find "a" so absolute max of w(x) is 39.
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What are your thoughts?
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Dr.Peterson
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It would be particularly helpful to know whether you have learned any calculus, or know how to find the vertex of a parabola, or whatever else this might be intended to use. That's part of the reason we need to see your work (in addition to seeing whether you do that work correctly).
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Your question has been moved from "News" (the first forum on the page) to an appropriate category. Also, your subject has been changed from "Graph theory" (which doesn't relate at all to this question) to something more relevant. For future reference, kindly please note that considerate posting generally results in better (and faster) responses.
If you get stuck, please reply showing your thoughts and efforts so far. Thank you!
Complete the square to convert the quadratic equation into vertex form, w(x) = -2(x - h)^2 + k. Then note the shape of the parabola (because of the sign of the leading coefficient). Set the relevant portion of the completed square equal to the given value. Solve the resulting linear equation for the value of "a".
If you get stuck, please reply showing your thoughts and efforts so far. Thank you!