Question

How do you find the slope given `y=-12`?

Answer 1

The slope of `y = -12` is `0`

Explanation:

Since `y= -12` is a horizontal line, the value of `y` does not change regardless of how much `x` changes.

So the slope `=("change in " y)/("change in "x") = 0`

Alternately, you could re-write the given equation in slope-intercept form (that is `y = mx+b`)
to get
`color(white)("XXXX")` `y = 0*x + (-12)`
to get a slope of `m=0`