Homework Help Forum: math

Posted by Dezy on Wednesday, November 4, 2009 at 9:20pm.

If a line is vertical, the definition of slope doesn't work for it. Why not?

• math - Reiny, Wednesday, November 4, 2009 at 10:01pm

  Pick any two points that form a vertical line, say, A(4,6) and B(4,2) slope AB = 4/0 but division by zero is undefined, so .....

  
  

Answer this Question

First Name:
School Subject:
Answer:

For Further Reading