Hudsons crossword puzzle

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Across
  1. 2. of Equations A set of equations with common variables
  2. 5. A number or expression that divides another number or expression evenly.
  3. 6. The point where a graph crosses the y-axis
  4. 9. A relation where each input corresponds to exactly one output
  5. 11. A combination of numbers, variables, and operations
  6. 12. The point where a graph crosses the x-axis
  7. 14. A single term or expression
  8. 15. Value The distance a number is from zero. It is always positive or zero.
  9. 16. An expression with one or more terms
  10. 18. The study of mathematical symbols and the rules for manipulating those symbols.
Down
  1. 1. A symbol (usually a letter) that represents an unknown value
  2. 3. A mathematical statement that shows the equality of two expressions.
  3. 4. The ratio of the vertical change to the horizontal change in a linear function
  4. 7. The numerical factor of a term in an algebraic expression.
  5. 8. A single number, variable, or product of both
  6. 10. A mathematical statement that compares two expressions using symbols like <, >, ≤, or ≥
  7. 13. A fixed value that does not change.
  8. 17. Equation An equation involving only linear terms