1963 AMC 12 Question 1 - thichhoctoan.com

Question 1

Which one of the following points is *not* on the graph of $y=\dfrac{x}{x+1}?$

$(0,0)$
$\left(-\dfrac12,-1\right)$
$\left(\dfrac12,\dfrac13\right)$
$(-1,1)$
$(-2,2)$