SOLUTION: Find the slope, if it exists, of the line. (graph = (-4, 3) and (4, -4) m = ?

Algebra ->  Graphs -> SOLUTION: Find the slope, if it exists, of the line. (graph = (-4, 3) and (4, -4) m = ?      Log On


   

Question 157961: Find the slope, if it exists, of the line.

(graph = (-4, 3) and (4, -4)
m = ?
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
(graph = (-4, 3) and (4, -4)
m=(-4-3)/(4+3)=-7/7=-1 is the slope.
Y=mX+b
3=-1*-4+b
3=+4+b
b=3-4
b=-1 is the y intercept of this line.
y=-x-1
+graph%28+300%2C+200%2C+-6%2C+5%2C+-10%2C+10%2C+-x+-1%29+ (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, -x -1).