SOLUTION: Identify the maximum or minimum (vertex), zeros, and axis of symmetry line and show the graph. y=x^2-4

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons -> SOLUTION: Identify the maximum or minimum (vertex), zeros, and axis of symmetry line and show the graph. y=x^2-4      Log On


   

Question 413887: Identify the maximum or minimum (vertex), zeros, and axis of symmetry line and show the graph.
y=x^2-4
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!


Hi

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

Using the vertex form of a parabola, y=a%28x-h%29%5E2+%2Bk 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