Pls help, I’m stuck on this

Answer:
3
Step-by-step explanation:
the gradient is just the slope
the equation is y = 3x - 5
with -5 being the y intercept
the distance between the two points is sqrt(40)
to find the gradient you have to use the slope formula: (-11-(-5))/(-2-0) = -6/-2=6/2=3