SOLUTION: How would i show the coordinates of the vertex. And the Equation of the axis of symmetry and the greatest value of the function, for this problem? g(x)= -x2(squared)-3x

Question 140379: How would i show the coordinates of the vertex. And the Equation of the axis of symmetry and the greatest value of the function, for this problem?
g(x)= -x2(squared)-3x
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!

For any quadratic equation of the form,

The axis of symmetry occurs at

If a is positive, then the mininum value occurs there.
If a is negative, then the maximum value occurs there.
Comparing your equation to the standard form,
a=-1
b=-3
The axis of symmetry is

Since a is negative, the value will be a maximum.
The maximum value is,

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