algebra crossword puzzles

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Across
  1. 3. rate of change
  2. 4. the course your taking
  3. 6. a number on its own
  4. 8. the minimum number a graph meets
  5. 12. the middle of a set of numbers
  6. 14. the maximum number a graph meets
  7. 16. a plain you put your coordinate points
  8. 17. an equation that represents a function
  9. 19. a number a line comes close too but doesn't touch
  10. 20. numerical value when something has a variable
Down
  1. 1. a group of terms
  2. 2. when you flip over a fraction
  3. 5. when a different number has same variables
  4. 7. uses only variables
  5. 9. moving a graph without changing its shape
  6. 10. an equation that has multiple terms
  7. 11. a U shape on a graph
  8. 13. how many times a number is multiplied by itself
  9. 15. the average absolute deviation from a mean of numbers
  10. 18. a set of numbers dividing by the amount of numbers in the set