used to find the value that must be added to a quardatic expression or equation in order to complete the square

used to find the x coordinate of the vertex of a parabola

x=-b/2a

(b/2)^2

x=-b+-squareroot b^2-4ac/2a

b^2-ac

x=-b/2a used to find the x coordinate of the vertex of a parabola

(b/2)^2 used to find the value that must be added to a quardatic expression or equation in order to complete the square

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