The quadratic function is .

The above function compare with .

Rewrite the function

a = 3, b = 0 and c = 0.

The y-intercept of the equation is c = 0.

The equation of the axis symmetry is .

            (Substitute the values a = 3 and b = 0)

                        (Simplify)

The x-coordinate of the vertex is .

The equation of the axis symmetry is and x-coordinate of the vertex is 0.

Make a table of values that includes the vertex.

\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \

\ \	\ \	\ \	\ \
\ \	\ \	\ \	\ \
\ \	\ \	\ \	\ \
\ \	\ \	\ \	\ \
\ \	\ \	\ \	\ \
\ \	\ \	\ \	\ \

\

Graph of the quadratic function is

Draw a coordinate plane.

Plot the points.

Draw a smooth curve through this points.

The y-intercept of the equation is c = 0 and The equation of the axis

symmetry is and x-coordinate of the vertex is 0.

The graph of the quadratic function is