$\"\"$

The point is $\"\"$ and the slope is $\"\"$ .

To find the y - intercept, substitute the values of $\"\"$ in the slope - intercept from of equation $\"\"$ and solve for b.

$\"\"$

Add 12 to each side.

$\"\"$

$\"\"$ .

Substitute the values of $\"\"$ in the slope - intercept form of equation $\"\"$ . $\"\"$

The y - intercept is 9.