Algebra Crossword

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Across
  1. 2. A mathematical statement using <, >, ≤, or ≥
  2. 5. The value that makes an equation true
  3. 6. All possible input values of a function
  4. 7. A combination of numbers, variables, and operations without an equal sign
  5. 8. The point where a line crosses the x-axis or y-axis
  6. 11. A method of solving systems by replacing one variable with an expression
  7. 15. A number that is multiplied by a variable
Down
  1. 1. A rule that relates input values to output values
  2. 3. The steepness of a line on a graph
  3. 4. A method of solving systems by combining equations to eliminate a variable
  4. 9. A mathematical sentence that shows two expressions are equal
  5. 10. A letter or symbol that represents an unknown value
  6. 12. A part of an expression separated by + or − signs
  7. 13. All possible output values of a function
  8. 14. A number without a variable; a fixed value