Hello,
Addition : no because -1+(-1)=-2 not in set.
Division : no because 1/0 is not in the set :infinity
Multiplication yes: {-1,0,1}*{-1,0,1}={-1,0,1}
Substraction: No because (-1)-(1)=-2 not in set.
Answer C
C is the answer because no solution doesnt leave off the x axist
So so u would subtract bothe negaitives but two negative equal a positive so then it would then be-3+8
Answer: Look that is not of mi grade!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! sorry baby XD ),:
Step-by-step explanation: