Question: The slope that passes through the points (-2,-3) and (8,-3) is ______ .

1)positive 2)negative 3)zero 4)undefined

I believe the answer is: zero.

How do I justify this?

2 answers

Justify by knowing the definition of slope and using it in the question.
What did you get ?

you were right, but what made you "believe" it ?
go try your best not sure what the answer is