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2016 AMC 12A Question 7

AMC12 · 2016 AMC 12A

Question 7

Which of these describes the graph of $x^2(x+y+1)=y^2(x+y+1)?$
  1. two parallel lines
  2. two intersecting lines
  3. three lines that all pass through a common point
  4. three lines that do not all pass through a
    common point
  5. a line and a parabola