[list]
[*]First, slide point P around the coordinate plane. How do the coefficients of the equation of the line change?
[*]Next, slide the slider to rotate the line around point P without moving point P. How do the coefficients of the equation of the line change?
[*]What is the general form of the equation of the line? This equation is known as point-slope form. What do the coefficients in the equation of the line do?
[/list]
