Respuesta :

Answer:

No in both cases.

Step-by-step explanation:

6. y = 4x

When x = 0, y = 0,  so one solution is (0, 0) not (0, 4).

9. y = x + 7

when x = 1, y = 1 + 7 = 8, so one solution is (1, 8) not (1, 6).