Answer:
-[tex]\frac{13}{8}[/tex]
Step-by-step explanation:
The slope of a given point;
m=y₂-y₁/x₂-x₁
From question;
(7,-5) = (x₁, y₁)
(-1,8)= (X₂, y₂)
Where y₂ =8, y₁= -5, x₂= -1, x₁=7
Therefore;
m= [tex]\frac{8-(-5)}{-1-7}[/tex]
m= [tex]\frac{13}{-8}[/tex]
m= [tex]-1\frac{5}{8}[/tex]
