Algebra crossword

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Across
  1. 4. a number that is not connected to a variable and can never change
  2. 5. a polynomial with 2 terms
  3. 6. a term to describe the relationship between 2 variables
  4. 7. a polynomial with 3 terms
  5. 9. a number usually placed directly next to a variable that it is usually multiplied with
  6. 11. using a model to find a value WITHIN the range of a data set
  7. 13. a non equal comparison of two terms
  8. 15. two expressions that are connected with an equal sign
  9. 17. to - something is to multiply it against itself 2 times
  10. 18. a placeholder in the form of a letter to describe a quantity
  11. 19. an expression with numbers and variables.
  12. 21. a number or variable that decides how many times a number will multiply itself
  13. 22. a polynomial with 1 term
Down
  1. 1. to - something is to multiply it against itself once
  2. 2. when a number is a - number it can be turned into a fraction
  3. 3. the point where a graphed expression first passes the y axis
  4. 8. an expression with at least one variable
  5. 10. using a model to find a value OUTSIDE of the range of a data set
  6. 12. the point where a graphed expression first passes the x axis
  7. 14. the difference of the y value from the line of best fit and the y value of the data points
  8. 15. multiple variables and numbers connected together WITHOUT an equal sign
  9. 16. when a number is a - number it is unable to be turned into a fraction
  10. 20. if a graphed expression is - it is a straight line