What is the slope of the line x=-2

Answer 1

The slope is infinite. It doesn't matter what y is going to be, x will always be -2. y is 10? x don't care; it's still -2. y is 5,824,319? x don't care; it's still -2. y is -123,432,178,543,078,962,314,521? x don't care; it's still -2.

Shorthand symbol for infinity is ∞.