Respuesta :

Answer:

Slope is undefined.

Step-by-step explanation:

Slope of 0 is a horizontal line.

Slope of undefined is a vertical line.

Any other slope is something in between.

Answer:

(A) undefined

Step-by-step explanation:

Here’s a little trick

If the line is horizontal, the slope is always 0

While if the line is vertical, the slope is always undefined.

In other words, if you can walk on the line, its 0 if you can’t its undefined