SOLUTION: Two numbers add to 9. What is the largest possible value for their product?
A. 9/2 B. 81/4 C. 20 D. 18 E. None of these.
Algebra.Com
Question 286806: Two numbers add to 9. What is the largest possible value for their product?
A. 9/2 B. 81/4 C. 20 D. 18 E. None of these.
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
B 81/4
----------
n*(9-n) = p
The vertex is the local max.
It's on the line of symmetry n = -b/2a = -9/-2
n = 9/2
--> 81/4
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