$\"\"$

The two points are $\"\"$ .

To find the value of k, substitute the values of $\"\"$ in the slope formula $\"\"$ .

$\"\"$

$\"\"$ . $\"\"$

Substitute the value of $\"\"$ in the two points $\"\"$ .

$\"\"$ ,

$\"\"$ .

Substitute the value of $\"\"$ in the point - slope form of the equation $\"\"$ . $\"\"$

The value of $\"\"$ and the point - slope form of the equation is $\"\"$ .