Question

Which is the slope of for (-5,9) and (-5,-5).

Answer 1

C) Undefined

formula: y-y/x-x

9--5= 9+5=14

-5--5= -5+5= 0

14/0

you can't divide by 0 so it's undefined

Answer 2

So the right answer is undefined.

Look at the attached picture

Hope it will help you..

Good luck on your assignment

~pragya