Respuesta :

(0-(-9)) / ( -2-0)
= - 9/2

the slope is -9/2
Hey there! :D

Plug it into slope form:

m= (y2-y1)/(x2-x1)

m= (0-(-9)/(-2-0)

m= (0+9)/(-2-0)

m=9/-2

m=-4.5 <== the slope

I hope this helps!
~kaikers