(a).

The quadratic equation is .

The general form of quadratic equation is .

Consider the two equations , and .

Vertex is

Axis of symmetry .

Axis of symmetry is .

Vertex is .

(b)

Find the -intercepts of the function .

To find the intercepts solve   by factorizing.

or

or

The -intercepts are or .

(c).

find - values  .

and

The solutions are and .

Substitute and in the equation

.

The points are and .

(d).

Graph:

Draw the coordinate plane.

Plot the axis of symmetry, vertex and intercepts.

Connect the plotted points with a smooth curve.

(a).Vertex is

(b).The -intercepts are or .

(c).The points are and .

(d).