The answer I need help by today

Answer:
Step-by-step explanation:
For question 1: x = -4, y = -4; x = -2, y = -2; x = 0, y = 0; x = 2, y = 2; x = 4 y = 4.
Basically, just put the same numbers under each of them.
For question 2: I think the graph needs to be bigger, if Im not wrong.