Respuesta :

Answer:

Step-by-step explanation:

point P1 = (26,7)  in the form (x1,y1)

point P2 = (-39,12) in the form (x2,y2)

slope ,  m , of a line is:  

m = (y2 - y1) / (x2 - x1)

m = (12-7) / ( -39-26)

m = 5 / -65

m = - 1 / 13

m = - [tex]\frac{1}{13}[/tex]