Math Crossword!

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Across
  1. 2. Set of inputs
  2. 6. Lines on top of one another
  3. 7. Use when you have both the slope and the y-intercept of both lines
  4. 8. Set of inputs and outputs
  5. 11. Natural numbers including 0
  6. 12. Use when y-intercept is already given in one equation
  7. 13. Method used when lines are in standard form
  8. 14. Whole numbers including 0
Down
  1. 1. A relation where each input has exactly one output
  2. 3. Whole numbers positive starting at 1
  3. 4. A number that can be rewritten as a fraction
  4. 5. Set of outputs
  5. 6. Numbers that go on forever and can't be rewritten as a fraction
  6. 9. Parralel lines on a graph
  7. 10. Lines with a single point of intersection