Answer:
m=-2
Step-by-step explanation:
You have to put the equation into y=mx+b form
which would be y=-2x-2
First you would divide 2x+y by 2 so that x+y/2=-1
subtract x on both sides y/2=-x-1
multiply 2 to get y=2(-x-1) simplify y=-2x-2
-2
Gradient/slope =
