this is a parabola with the x-axis as the axis of symmetry. the parabola opens to the right.
your text should have this form for a parabolic equation ...
, where are the coordinates of the vertex, are the coordinates of the focus, and is the directrix.
vertex is at
is the focus
is the directrix
here is a link for you to investigate further ...
Conics: Parabolas: Introduction