Write an equation of a parabola with vertex at the origin and the given focus.

focus ​(12​,0)
Question content area bottom
Part 1
What is the correct​ equation?
A.y squared equals negative 48 x
y squared equals negative 48 x
B.x equals one twelfth y squared
x equals one twelfth y squared
C.x equals StartFraction 1 Over 48 EndFraction y squared
x equals StartFraction 1 Over 48 EndFraction y squared
D.y equals 48 x squared
y equals 48 x squared

The correct equation is:

A. y^2 = -48x