Answer:
-2.5
Step-by-step explanation:
(y2 - y1)
‐-----------
(x2 - x1)
(2,-5) = (x1,y1)
(-2,5) = (x2,y2)
5 - (-5) 10
--------- = ----- = -2.5
-2 - 2 -4
Slope: -2.5