$\"\"$

The equation is $\"\"$ .

Find the intercepts of $\"\"$ .

Find the $\"\"$ -intercept by substituting $\"\"$ .

$\"\"$

Take square root each side.

$\"\"$

$\"\"$ or $\"\"$

The equation has two solutions $\"\"$ and $\"\"$ .

$\"\"$ -intercepts are $\"\"$ and $\"\"$ .

Find the $\"\"$ -intercept, by substituting $\"\"$ .

$\"\"$

The $\"\"$ -intercept is $\"\"$ . $\"\"$

Make a table.

Since $\"\"$ for all $\"\"$ , deduce from the equation $\"\"$ that $\"\"$ for all $\"\"$ .

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

Use these points to graph the equation.

$\"\"$

Graph of the equation $\"\"$ :

Draw a coordinate plane.

Plot the points and connect the points with smooth curve.

$\"graph$

Observe the graph: The intercepts are $\"\"$ , $\"\"$ and $\"\"$ . $\"\"$

Graph of the equation $\"\"$ :

$\"graph$

The intercepts are $\"\"$ , $\"\"$ and $\"\"$ .