$\"\"$

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

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

$\"\"$

Multiply each side by 4.

$\"\"$

Cancel common terms.

$\"\"$

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

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