Algebra vocab crossword

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Across
  1. 1. any whole number, no fractions
  2. 3. graph is not a line
  3. 4. I,II,III,IV
  4. 7. all natural numbers and zero
  5. 8. highest point on a parabola
  6. 10. lowest point on a Parabola
  7. 11. a term with no variable
  8. 12. a set of ordered pairs in a curved line
  9. 14. where the line crosses the y-axis
  10. 15. a relation where each x-value is pared with a y-value
Down
  1. 2. non-imaginary numbers
  2. 5. ratio of vertical change to horizontal change
  3. 6. ax^2+bx+c=0
  4. 9. where the line crosses the x-axis
  5. 13. starting point on a graph or line