Question 73845
(3,0)(0,-4)
THE SLOPE (m) IS 
(Y2-Y1)/x2-X1)
(-4-0)/( 0-3)
-4/-3
4/3 IS THE SLOPE (m)
NOW SUBSTITUTE 4/3 FOR THE SLOPE AND THE X,Y VALUES FROM ONE SET OGF POINTD & SOLVE FOR THE Y INTERCEPT (b).
0=4/3*3+b
0=12/3+b
b=4 FOR THE Y INTERCEPT (b) 
NOW WE HAVE THE FORMULA FOR THIS WHICH IS
Y=4/3X+4 
{{{ graph( 300, 300, -6, 5, -10, 10, y = 4x/3 +4) }}} (graph 300x300 pixels, x from -6 to 5, y from -10 to 10, y = 4x/3 +4).