Question 270320
m=2, passes through (7,-1)
Y=mX+B
-1=2*7+b
-1=14+b
b=-1-14
b=-15 ANS. FOR THE Y INTERCEPT.
Y=2X-15
{{{ graph( 300, 200, -6, 8, -16, 10, 2x -15) }}} (graph 300x200 pixels, x from -6 to 8, y from -16 to 10, 2x -15).