Respuesta :

Answer:

x=0

Step-by-step explanation:

Undefined slope is a vertical line:

Vertical lines are represented with x= something

Because the line passes through (0, -1) x=0

Answer:

y = -1

Step-by-step explanation:

Undefined slope means the line is vertical or of the form

x =

Since the point is (0,-1) the x value is 0

x = 0