Question

What is the slope of the line x = –5?

Answer 1

THis is a vertical line. Vertical lines have what kind of slope?

Answer 2

Calcmathlete, i dont know :(

Answer 3

Alright. Let's test it out.

Answer 4

These are the choices
undefined

0

–5

5

Answer 5

ok

Answer 6

\[m = \frac{y_1 - y_2}{x_1 - x_2}\]Two points on this line are (-5, 0) and (-5, 2)

Answer 7

\[m = \frac{0 - 2}{-5 - (-5)} = \frac{-2}{0}\]The denominator can never be 0. Therefore it is undefined :)

Answer 8

I thought so. Thank you for the explaination!

Answer 9

np :)
You might also want to keep in mind that horizontal lines have a slope of 0.

Answer 10

Okay, i willl remember that ! (: