SOLUTION: 17. I need help graphing the following and listing the directions,vertex,axis of symmetry,table with 5 points and the graph for this equation. f(x)=-1/2x^2

Question 1157010: 17.
I need help graphing the following and listing the directions,vertex,axis of symmetry,table with 5 points and the graph for this equation.
f(x)=-1/2x^2
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
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f(x)=-(1/2)x^2
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Vertex is maximum point, at (0,0).
x=0, the symmetry axis.

Directrix is above the vertex point, by units.
Directrix is .
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