Answer:
-4
Option B is the correct option
Explanation:
Let the points be A and B
A ( -1 , 8 ) -----> ( x1 , y1 )
B ( 2 , -4 ) -----> ( x2 , y2 )
Now, let's find the slope of the line:

plug the values

Calculate the difference

When there is a (-) in front of an expression in parentheses , change the sign of each term in expression

Add the numbers

Reduce the fraction with 3

Hope this helps..
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