SOLUTION: find the greatest value of 3+5x-2x^2 if x is a real no.

SOLUTION: find the greatest value of 3+5x-2x^2 if x is a real no.

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Question 891809: find the greatest value of 3+5x-2x^2 if x is a real no.
Answer by josgarithmetic(39620) (Show Source): You can put this solution on YOUR website!
That means, find the vertex of the function, since the vertex will be a maximum.

Complete the Square using and convert the expression (after appropriate arithmetic and simplifications) into:

.
The maximum point is the vertex, (5/4, 49/8).
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