Question 137041
(2,3) and (4,7)
SLOPE=(7-3)/(4-2)=4/2=2
Y=mX+b
3=2*2+b
3=4+b
3-4=b
b=-1
THUS THE LINE EQUATION IS:
Y=2X-1
{{{ graph( 300, 200, -6, 5, -10, 10, y = 2x -1 ) }}} (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, y = 2x -1 ).