Answer:
-1
Explanation:
C
to calculate the slope m of the line use the gradient formula
m = ( y₂ - y₁ ) / ( x₂ - x₁ )
with (x₁, y₁ ) = (- 2, 5) and (x₂, y₂ ) = (2, 1) ← 2 points on the line
m = = = - 1 → C
6.0m questions
7.8m answers
= 
= - 1 → C