Algebra 1 crossword

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Across
  1. 3. the set of inputs of a function
  2. 6. A line that divides the coordinate plane in to two regions
  3. 7. a relation where each input is paired with one output
  4. 12. the number you get while adding a equation
  5. 13. two items, written in a specific order that can be used to locate points on a plane
  6. 16. the numbers 1,2,3,4, and so on
  7. 18. mathematical statement shows two expressions are equal
  8. 20. terms that have been raised to the same power
Down
  1. 1. a mathematical phrase that use number, variables, or both
  2. 2. A graphical representation of a relation in which an arrow associates each input with it's output
  3. 4. the number you get while multiplying a equation
  4. 5. Distance from 0
  5. 8. a number, variable, or product of numbers and variables
  6. 9. A greek letter used to symbolize change or difference between mathematical variables
  7. 10. term in a expression that does not change value
  8. 11. natural numbers, consisting of 0
  9. 14. set of ordered pairs
  10. 15. the set of outputs of a function
  11. 17. letter or symbol used to represent one or more numbers
  12. 19. the number you get while dividing a equation