Find out the slope
(-2,3) (1,1)
m=(1-3)/(1+2)
m=-2/3
Interpret the slope
we have a negative slope
that means
Is a decreasing function
as the value of x increases 3 units -----> the value of y decrease 2 units
or
as the value of x decreases 3 units ----> the value of y increases 2 unit
