SOLUTION: Find the equation of the line through the points (4, -1) and (2, -7). Write the equation in standard form with only integers

Algebra ->  Coordinate Systems and Linear Equations -> SOLUTION: Find the equation of the line through the points (4, -1) and (2, -7). Write the equation in standard form with only integers      Log On


   



Question 208238: Find the equation of the line through the points (4, -1) and (2, -7). Write the equation in standard form with only integers
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
(4, -1) and (2, -7).
Y=mX+b
m=(Y2-Y1)/(X2-X1)=(-7+1)/(2-4)=-6/-2=3 FOR THE SLOPE.
-1=3*4+b
-1=12+b
b=-12-1
b=-13 ANS. FOR THE Y INTERCEPT.
Y=3X-13 is the line formula.
+graph%28+300%2C+200%2C+-6%2C+5%2C+-15%2C+10%2C+3x+-13%29+ (graph 300x200 pixels, x from -6 to 5, y from -15 to 10, 3x -13).