
Mark M. answered 04/16/24
Tutor
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Mathematics Teacher - NCLB Highly Qualified
y = a(x-h)2 + k If a > 0, opens up If a > 0,Vertex: (h, k)
Vertex: (h, k)
Focu s: (h, k+p)
Directrix: y = k-p
Axis of Symmetry: x = h
a = 1 / 4p
p = 1 / 4a
Use this to describe the parabola.