SOLUTION: Find the slope of the line through the points (-1,-3) and (-1,7) The steps for this is what I need

Algebra ->  Expressions-with-variables -> SOLUTION: Find the slope of the line through the points (-1,-3) and (-1,7) The steps for this is what I need      Log On


   

Question 153002: Find the slope of the line through the points (-1,-3) and (-1,7)
The steps for this is what I need
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
The formula for the slope using two points is,
m=%28y%5B2%5D-y%5B1%5D%29%2F%28x%5B2%5D-x%5B1%5D%29
Substituting with the two points,(-1,-3) and (-1,7)
m=%287-%28-3%29%29%2F%28-1-%28-1%29%29
m=10%2F0
The slope is undefined.
It is a vertical line.