Match each graph with its x-intercepts.
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  1. (0,0),(4,0),(2,0),(2,0)\displaystyle {\left({0},{0}\right)},{\left({4},{0}\right)},{\left({2},{0}\right)},{\left(-{2},{0}\right)}
  2. (0,4),(0,2),(0,4),(0,0)\displaystyle {\left({0},{4}\right)},{\left({0},{2}\right)},{\left({0},{4}\right)},{\left({0},{0}\right)}
  3. (4,0),(0,0)\displaystyle {\left(-{4},{0}\right)},{\left({0},{0}\right)}
  4. (1,0),(2,0),(3,0)\displaystyle {\left(-{1},{0}\right)},{\left({2},{0}\right)},{\left(-{3},{0}\right)}
  5. (0,4),(0,0)\displaystyle {\left({0},-{4}\right)},{\left({0},{0}\right)}
  6. (0,1),(0,2),(0,3)\displaystyle {\left({0},-{1}\right)},{\left({0},{2}\right)},{\left({0},-{3}\right)}