Question 276174
(4, 8) and (2, -2)
Y=mX+b WHERE m=SLOPE & b=THE Y INTERCEPT.
m=(Y2-Y1)/(X2-X1)=(-2-8)/(2-4)=-10/-2=5 is the slope.
8=5*4+b
8=20+b
b=8-20
b=-12 the Y intercept.
Y=5X-12 is the line equation.
{{{ graph( 300, 200, -6, 5, -15, 10, 5x -12) }}} (graph 300x200 pixels, x from -6 to 5, y from -15 to 10, 5x -12).