math crossword

1234567891011121314151617181920
Across
  1. 4. ,numbers that have a minus sign in front
  2. 6. ,the difference between the lowest and highest values
  3. 10. ,numbers that consist of two parts
  4. 11. ,6_6=36 what is missing
  5. 14. ,a function f
  6. 15. ,the sum of the problem
  7. 17. ,the opposite of multiply
  8. 20. ,an expression with a variable is 2x + 3
Down
  1. 1. ,set of all possible inputs for the function
  2. 2. ,defined as an amount
  3. 3. ,a right angle is 90_
  4. 5. ,A curve or line showing a mathematical function
  5. 7. ,a type of math
  6. 8. ,the total
  7. 9. ,what happens when there's a minus sign
  8. 10. ,a pie_
  9. 12. ,numbers greater than zero
  10. 13. ,3 and 6 are __ of 12
  11. 16. ,what you do when there's a plus sign
  12. 18. ,the ultimate trend in the graph of f(x)graphs
  13. 19. ,x is a characteristic also known as...