$\"\"$

The equation is $\"\"$ and ordered pair is $\"\"$ .

To check the ordered pair is $\"\"$ is a solution, Substitute the values of $\"\"$ in the original equation.

$\"\"$

The product of two same signs is positive and the product of two opposite signs is negative.

$\"\"$

$\"\"$ .

This statement is not true, so the ordered pair $\"\"$ is not a solution of $\"\"$ . $\"\"$

The ordered pair $\"\"$ is not a solution of $\"\"$ .