$\"\"$

The direct variation equation that relates x and y is $\"\"$ .

Substitute the values of $\"\"$ in the direct variation equation $\"\"$ to find a.

$\"\"$

Divide each side by $\"\"$ .

$\"\"$

Cancel common terms.

$\"\"$ .

Therefore direct variation equation that relates x and y is $\"\"$ . $\"\"$

The direct variation equation is $\"\"$ .