The quadratic function .
1. Draw the quadratic plane.
\2. Graph the quadratic function.
\Graph of is :
Observe the above graph of the function :
\The x - intercepts are and
.
Find the x - intercepts of by equation
to zero. \ \
The x - intercepts are and
.
The x - intercepts of the graph and the solutions of the quadratic equation are equal.
\Graph of is :
The x - intercepts are and
.