Answer:
-4
Explanation:
-7 - - 19 12/-1
------------
-2 - - 1
slope = - 4
Calculate the slope m using the slope formula
m = (y₂ - y₁ ) / (x₂ - x₁ )
with (x₁, y₁ ) = (1, - 19) and (x₂, y₂ ) = (- 2, - 7)
m = = = - 4
5.2m questions
6.7m answers
= 
= - 4