Hi

Identify the maximum or minimum (vertex), zeros, and axis of symmetry lin

Using the vertex form of a parabola,  where(h,k) is the vertex

 y = x^2-4       |Vertex is Pt(0,-4)& a Minimum as Parbola opens upward (a> 0)    x = 0, the line of symmetry

 0 = x^2-4     x = ± 2



 

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