SOLUTION: Find the slope of the line that passes through (-5,-3) and (7,-11) thanks

Algebra ->  Equations -> SOLUTION: Find the slope of the line that passes through (-5,-3) and (7,-11) thanks      Log On


   

Question 192913: Find the slope of the line that passes through (-5,-3) and (7,-11)

thanks
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
(-5,-3) and (7,-11)
slope=(y2-y1)/x2-x1)=(-11+3)/(7+5)=-8/12=-2/3 ans. for the slope.
Y=mX+b
-3=-2/3*-5+b
-3=10/3+b
b=-3-10/3
b=(-3*3-10)/3
b=(-9-10)/3
b=-19/3 y intercept.
y=-2x/3-19/3 ans. for the line equation
+graph%28+300%2C+200%2C+-6%2C+5%2C+-10%2C+10%2C+-2x%2F3+-19%2F3%29+ (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, -2x/3 -19/3).