Equation of a Parabola
Horizontal Parabolas
Parabolas with Vertex at (0, 0) and Axis on the x-Axis
Parabola with Vertex at (a, b) and Axis Parallel to the x-Axis
Vertical Parabolas
Parabolas with Vertex at (0, 0) and Axis on the y-Axis
Parabola with Vertex at (a, b) and Axis Parallel to the y-Axis
Examples
Given the parabola 
, calculate its vertex, focus and directrix.
Given the parabola 
, calculate its vertex, focus and directrix.
Given the parabola 
, calculate its vertex, focus and directrix.
Given the parabola 
, calculate its vertex, focus and directrix.
Given the parabola 
, calculate its vertex, focus and directrix.
Given the parabola 
, calculate its vertex, focus and directrix.
