Algebra vocabulary crossword puzzle

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Across
  1. 5. mathematical sentence with an equal sign
  2. 6. relation where every x value has only one y-value
  3. 7. solutions that do not work in the original equation
  4. 10. set of ordered pairs
  5. 12. plain plain a flat surface formed by the intersection of y-axis and x-axis
  6. 13. solution solution an equation where every number could work as a solution
Down
  1. 1. set of x-values
  2. 2. an equation that no possible number could work as a solution
  3. 3. the highest point or top
  4. 4. set of y-values
  5. 8. two separate unlike terms being added or subtracted
  6. 9. a function that creates a straight line
  7. 11. whole numbers multiplied together to create a whole number
  8. 14. operation of raising to a power
  9. 15. greater than/less than and or equal to