Question 172583
(-2, 3) (-1, 4).
slope=(y2-y1)/(x2-x1)
slope=(4-3)/(-1+2)
slope=1/1=1 ans.
Y=mX+b
3=1*-2+b
3=-2+b
b=3+2
b=5
Y=X+5
{{{ graph( 300, 200, -6, 5, -10, 10, x +5) }}} (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, x +5).