The point-slope form line equation is , where m is the slope

and is the any point on the line.

First find the slope,

             (Substitute and )

                 (Product of two same signs is positive)

                         (Add: )

                         (Multiply: )

To write the line equation, we can use either of the two given points,

Consider the point .

Substitute m and in point-slope form.

               (Product of two same signs is positive)

The point-slope form line equation is .