Question

What do you call the slope of a vertical line?

Answer 1

Indefinite

Answer 2

Thank you!

Answer 3

undefined

Answer 4

That sounds more familiar. Thanks @amistre64 (:

Answer 5

im not sure if there is a distinction in math terms between indefinite and undefined ...

Answer 6

infinity

Answer 7

I am trying to recall what they called it in algebra, but I simply forgot.

Answer 8

I think it was undefined though.

Answer 9

undefined is the most common one. Infinite is definiantly improper usage.

Answer 10

slope defines movement, and a vertical line has no movement, much less infinite movement

Answer 11

is is infinitely positive or negative ?,

we cannot make the distinction.

hence the slope in undefined

Answer 12

Thank you! Sorry about the trouble, I'm rather forgetful today(: