Algebra Crossword Puzzle

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Across
  1. 2. of Equations A set of two or more equations with the same variables.
  2. 4. Letter or symbol to represent an unknown
  3. 8. A value that does not change, usually a number on its own.
  4. 10. The set of all possible output values for a function.
  5. 11. A number indicating how many times the base is multiplied by itself.
  6. 14. phrase containing variables but no = sign
  7. 16. two equations are equal containing a = sign
  8. 17. The process of finding the numbers or expressions that multiply together to get a polynomial.
  9. 18. A statement comparing two expressions.
  10. 19. The point where the curve or line crosses the x-axis.
Down
  1. 1. To find the value of an expression by substituting numbers for variables.
  2. 2. Measures the steepness of a line.Rise over Run.
  3. 3. The point where a curve or line crosses the y-axis.
  4. 5. The set of all possible input values for a function.
  5. 6. each input has an output
  6. 7. Terms-Terms with the exact same variables raised to the same power.
  7. 9. A number,variable, or a product of numbers and variables in an expression.
  8. 12. The highest or lowest point on a parabola.
  9. 13. The numerical factor of a term that contains a variable.
  10. 15. To rewrite an equation to its lowest form.