# Use the method of completing the square to write the equations of the given parabola in this form: (y-k)=a(x-h)^2 where a =0, (h,k) is the vertex, and x=h is the axis of symmetry. Find the vertex of this parabola: y=-4x^2+8x-12

###### Question:

use the method of completing the square to write the equations of the given parabola in this form:
(y-k)=a(x-h)^2
where a =0, (h,k) is the vertex, and x=h is the axis of symmetry.
Find the vertex of this parabola: y=-4x^2+8x-12

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