Question 95944
SLOPE=(Y2-Y1)/(X2-X1)=(8+2)/(3-4)=10/-1=-10 FOR THE SLOPE
NOEW SUBSTITUTE THE X&Y VALES FROM 1 POINT & SOLVE FOR THE Y INTERCEPT (b) IN THE LINE FORMULA [Y=mX+b]
-2=-10*4+b
-2=-40+b
b=40-2
b=38 THE Y INTERCEPT.
THUS THE LINE EQUATION IS:
Y=-10X+38 
{{{ graph( 300, 200, -6, 5, -10, 40, y = -10x +38) }}} (graph 300x200 pixels, x from -6 to 5, y from -10 to 40, y = -10x +38).