Respuesta :

chem1014
y=mx+b

-20-(-12)=-8
-2-2=-4
-8/4=-2
There is only one function where m=-2
So the answer is D


2x-3y=6
-2x -2x
—————
-3y= -2x+6 divide all the terms by -3 to get
y by itself

y= -2/-3x+6

y=2/3x+6

The rate of change is 2/3 so the answer is C