Parabola
9
Conic Sections ©Mathworld
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Transcript of Parabola
Conic Sections
©Mathworld
Conic Sections - Parabola
The intersection of a plane with one nappe of the cone is a parabola.
Aim: What is a parabola?
Do Now:
The line segment through the focus of a parabola and perpendicular to the axis of
symmetry is called the latus rectum.
The vertex is always halfway between the focus and the directrix, and the parabola always curves away from the directrix.
y=a(x-h)2 + kVertical Axis of symmetry
Function
x=a(y-k)2 + hHorizontal Axis of
symmetryNot a function
Do Now: