SOLUTION: What is the difference between a line whose slope is undefined, and a line with a slope of zero?

Algebra ->  Coordinate-system -> SOLUTION: What is the difference between a line whose slope is undefined, and a line with a slope of zero?      Log On


   

Question 13251: What is the difference between a line whose slope is undefined, and a line with a slope of zero?
Answer by longjonsilver(2297) About Me  (Show Source):
You can put this solution on YOUR website!
x=3, x=-16 etc have an undefined gradient...they are vertical lines. In essence their gradients are infinite.

However, y=3 or y=-16 etc have a zero gradient...they are horizontal lines.

Jon