SOLUTION: Find 2 numbers whose sum is 18 and whose product is a maximum. Show your work. 1. Write a quadratic function 2. Change it to work form and give the max point 3. Answer the questi

Algebra ->  Functions -> SOLUTION: Find 2 numbers whose sum is 18 and whose product is a maximum. Show your work. 1. Write a quadratic function 2. Change it to work form and give the max point 3. Answer the questi      Log On


   



Question 1145564: Find 2 numbers whose sum is 18 and whose product is a maximum. Show your work.
1. Write a quadratic function 2. Change it to work form and give the max point 3. Answer the question.

Found 2 solutions by Alan3354, josgarithmetic:
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Find 2 numbers whose sum is 18 and whose product is a maximum.
9*9 = 81, the max.
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Show your work.
I thought about it. How could I show that?
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1. Write a quadratic function
ax^2 + bx + c = 0
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2. Change it to work form and give the max point
IDK what that means.
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3. Answer the question.
What question?

Answer by josgarithmetic(39613) About Me  (Show Source):
You can put this solution on YOUR website!
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Find 2 numbers whose sum is 18 and whose product is a maximum.
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x & y, the two numbers;
system%28x%2By=18%2CP=xy%2CP_the_product%29

Simple substitution to get P as function of x,
P=x%2818-x%29

You can work through the rest of this?