Question 192362
very  good   (-4)  is  slope

a  simple  sketch  usually  shows  rise / run easily
just  note  end  points,  roughly  position  points  and  line,  and  calc  x & y  distances

to  calculate,  use  m=(y2-y1) / (x2-x1)= ( -7 -5) / 1-(-2)) = -12/3=-4