Answer:
Well if you need help with graphing, there's a website named Desmos Graphing calculator. If you want to get your grades up, listen to some music then do the easy stuff. I dont know any websites from the top of my head :p
Step-by-step explanation:
Positive -1/-7
Negative +4/-5
Negative +1/-7
Positive +1/+7
Negative -4/-5
Negative -4/+5
Negative -1/+7
Positive +4/+5
I might be wrong
the pic is black send another one