Respuesta :

HJYMegan

Answer:

B

Step-by-step explanation:

If you plot the line x=1, you would be able to see that it is a vertical line and will pass through (1,9)

Xatana

Answer:

B. X=1

Step-by-step explanation:

because (x, y) → (1, -9). for it to be vertical it would have to cross the x axis.