SOLUTION: if the slope of a line is undefined, then the line must be: a.horizontal b.vertical c.diagonal d.other Which answer is correct?

Algebra ->  Expressions-with-variables -> SOLUTION: if the slope of a line is undefined, then the line must be: a.horizontal b.vertical c.diagonal d.other Which answer is correct?      Log On


   



Question 42006: if the slope of a line is undefined, then the line must be:
a.horizontal
b.vertical
c.diagonal
d.other
Which answer is correct?

Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
ANS. IS b) vertical because the formula is (y2-y1)/(x2-x1) & if the x coordinates are the same then the denominator is =0 which makes the fraction/slope undefined.