Question

For the graph y = 4 find the slope of a line that is perpendicular to it.

A.4

B.0

C.undefined

D. 1/4

Answer 1

C.undefined

Explanation:

This is a horizontal line at y= 4

Horizontal lines have slopes of 0

We want a line that is perpendicular

That would be a vertical line

Vertical lines have slopes that are undefined