Question

Is the line for the equation x = 4 horizontal or vertical? What is the slope of the line? Select the best answer.

The line is horizontal. The slope is 0.

The line is vertical. The slope is undefined.

The line is horizontal. The slope is undefined.

The line is vertical. The slope is 0.

Answer 1

go with
The line is vertical. The slope is undefined.

Answer 2

\(x=\text{some number}\) is a vertical line
a vertical line does not have a slope (it is undefined)

Answer 3

thank you !!!

Answer 4

yw