The parabola equation is .

The standard form of the parabola with vertex at and directrix is .

Write the equation in standard form of parabola.

Consider .

.

Compare the above equation with .

Vertex of the parabola is .

.

Focus of the parabola : .

The parabola equation is .

Since p is negative, the parabola opens down ward.

Draw a coordinate plane.

Plot the vertex and focus.

Graph the parabola .

Graph :

Vertex of the parabola is .

Focus of the parabola : .

Graph of the parabola is :