Answer:
-3
Step-by-step explanation:
To do this you just have to do the slope formula which is 
then plug in the numbers so you get 
which would
get you which can be reduced to -3 so that would be the answer
Answer:
Step-by-step explanation:
Since a,b,c and d are integers,
bd, ad and cb are also integers because product of two integers is an integer
Also, ad + cb is an integer because sum of two integers is an integer.
(ad + cb)/bd is a rational number
a/b + c/d is a rational number
Answer:
2.8571428571429
Step-by-step explanation:
Answer:
open
Step-by-step explanation:
beacause
2x+5=1
2x=1-5
2x=-4
x=-4/2
x-2 so its open
