Question

How do you find the slope for (-3,-4) and (-6,-10)?

Answer 1

The slope`m` represents the variation of `y` when `x` vaies.
So:
`m=(Deltay)/(Deltax)=(y_2-y_1)/(x_2-x_1)`
Using your coordinates:
`m=(-10+4)/(-6+3)=(-6)/(-3)=2`