Answer:
slope = - 2
Step-by-step explanation:
To calculate the slope m use the gradient formula
m = ( y₂ - y₁ ) / ( x₂ - x₁ )
with (x₁, y₁ ) = (- 2, 4) and (x₂, y₂ ) = (1, - 2) ← 2 points on the line
m = [tex]\frac{-2-4}{1+2}[/tex] = [tex]\frac{-6}{3}[/tex] = - 2
