Algebra final

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Across
  1. 4. A u-shaped graph of a quadratic function
  2. 6. a number connected to a variable
  3. 9. 0,0
  4. 11. a number that is by itself
Down
  1. 1. the highest or lowest middle point in the line of the graph
  2. 2. the answer
  3. 3. a letter that has a value
  4. 5. opens down
  5. 7. whole numbers
  6. 8. opens up
  7. 10. the thing in the top right of a number