Given two points (x₁,y₁) and (x₂,y₂) the slope of the line passes through these points will be:
m=(y₂-y₁)/(x₂-x₁)
In this line, we can see these points (0,2) and (3,0) the slope will be:
m=(0-2)/(3-0)=-2/3
Answer: the slope of this line would be -2/3