SOLUTION: Two numbers have a difference of 9 and their product in a minimum. Determine the numbers.

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Question 792874: Two numbers have a difference of 9 and their product in a minimum. Determine the numbers.
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Two numbers have a difference of 9 and their product in a minimum.
Determine the numbers.
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1st: x
2nd: x-9
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Equation:
P(x) = x(x+9) = x^2 - 9x
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Max occurs when x = -b/(2a) = 9/(2*1) = 4.5
x-9 = 4.5-9 = -4.5
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Cheers,
Stan H.
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