SOLUTION: Answer the questions below about the quadratic function. f(x)= -3x^2-18x-31 Does the function have a minimum or maximum value? Where does the minimum or maximum value oc

Algebra ->  Quadratic Equations and Parabolas -> SOLUTION: Answer the questions below about the quadratic function. f(x)= -3x^2-18x-31 Does the function have a minimum or maximum value? Where does the minimum or maximum value oc      Log On


   

Question 855206: Answer the questions below about the quadratic function.
f(x)= -3x^2-18x-31
Does the function have a minimum or maximum value?
Where does the minimum or maximum value occur?
What is the function's minimum or maximum value?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
1.Yes, all quadratics have a min or max.
2.df%2Fdx=-6x-18=0
x=-3
The maximum occurs at x=-3
3. f%28-3%29=-3%28-3%29%5E2-18%28-3%29-31
f%28-3%29=-27%2B54-31
f%28-3%29=-4
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