SOLUTION: What is the slope of a line that with the points (2,4) and (4,-2)?

Algebra ->  Linear-equations -> SOLUTION: What is the slope of a line that with the points (2,4) and (4,-2)?      Log On


   

Question 146382: What is the slope of a line that with the points (2,4) and (4,-2)?
Answer by Earlsdon(6294) About Me  (Show Source):
You can put this solution on YOUR website!
The slope of a line is given by:
m+=+%28y%5B2%5D-y%5B1%5D%29%2F%28x%5B2%5D-x%5B1%5D%29
In your problem, (2, 4) are (x%5B1%5D,y%5B1%5D) and (4, -2) are (x%5B2%5D,y%5B2%5D)
Make the appropriate substitutions to get:
m+=+%28-2-4%29%2F%284-2%29 Simplify.
m+=+-6%2F2
m+=+-3 This is the slope.