SOLUTION: (-6,7)and(-9,y);slope:1/3

Algebra ->  Inequalities -> SOLUTION: (-6,7)and(-9,y);slope:1/3      Log On


   

Question 359458: (-6,7)and(-9,y);slope:1/3
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Use the formula for slope,
m=%28y%5B2%5D-y%5B1%5D%29%2F%28x%5B2%5D-x%5B1%5D%29
.
.
%28y-7%29%2F%28-9-%28-6%29%29=1%2F3
.
.
%28y-7%29%2F%28-9%2B6%29=1%2F3
.
.
%28y-7%29%2F%28-3%29=1%2F3
.
.
y-7=-1
Solve the equation for y.