Xsquare +3y-9=0. Find The Vertex, Focus, and directrix,
x^2+3y-9 = 0
x^2 = -3(y-3)
now use what you know about the parabola
x^2 = 4py
to discover the properties.
In this case, the vertex is at (0,3).
x^2 = -3(y-3)
now use what you know about the parabola
x^2 = 4py
to discover the properties.
In this case, the vertex is at (0,3).