SOLUTION: Could someone please show me step by step how to find the slope, if it exist, of the line containing the pair of points (9,2) and (10,-7) the slope m =____

Algebra ->  Graphs -> SOLUTION: Could someone please show me step by step how to find the slope, if it exist, of the line containing the pair of points (9,2) and (10,-7) the slope m =____      Log On


   

Question 433436: Could someone please show me step by step how to find the slope, if it exist, of the line containing the pair of points (9,2) and (10,-7)
the slope m =____
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
find the slope, if it exist, of the line containing the pair of points (9,2) and (10,-7)
:
The slope formula: m = %28%28y2-y1%29%29%2F%28%28x2-x1%29%29
In this equation
x1=9, y1=2
x2=10, y2=-7
:
So we have: m = %28%28-7-2%29%29%2F%28%2810-9%29%29 = %28-9%29%2F1 = -9 is the slope