Question

How do you find the slope of `x= -3`?

Answer 1

A vertical line going through x=-3, cannot work out the slope.

Answer 2

`"slope is undefined"`

Explanation:

`x=-3" is a vertical line parallel to the y-axis and "`
`"has a slope which is undefined"`
graph{y-1000x-3000=0 [-10, 10, -5, 5]}