SOLUTION: find the standard form f the equation that passes through the pins (-1,-9)and(-4,-8)

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Question 332106: find the standard form f the equation that passes through the pins (-1,-9)and(-4,-8)
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
(-1,-9)and(-4,-8)
Y=mX+b where m=the slope & b=the y INTERCEPT.
m=(Y2-Y1)/(X2-X1)
m=(-8+9)/(-4+1)=1/-3=-1/3 is this slope.
-9=-1/3*-1+b
-9=1/3+b
b=-9-1/3
b=(-27-1)/3
b=-28/3 the Y intercept.
Y=-X/3-28/3 IS THE LINE EQUATION.
+graph%28+300%2C+200%2C+-6%2C+5%2C+-10%2C+10%2C+-x%2F3+-28%2F3%29+ (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, -x/3 -28/3).