C8- Linear Functions

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Across
  1. 3. written as an ordered pair (x,y)
  2. 7. each number in the domain
  3. 10. ratio of the lines vertical change to horizontal change
  4. 12. a relation where each input has exactly one output
  5. 14. first set of numbers (x)
  6. 15. consists of two or more linear equations with the same variable
  7. 17. a linear equation is the form y=mx+b
  8. 19. similar to a linear equation, but uses an inequality symbol instead of an equal sign
  9. 20. lines that is closest to all points on a graph
  10. 21. point where the graph crosses the x-axis
Down
  1. 1. a pairing of numbers in one set
  2. 2. written using f(x)
  3. 4. each number in the range
  4. 5. boundary line splits a coordinate plane into two of these
  5. 6. an equation that is solved for y
  6. 8. point where the graph crosses the y-axis
  7. 9. vertical change of a graph
  8. 11. second set of numbers (y)
  9. 13. horizontal change of a graph
  10. 16. an equation whose graph is a line
  11. 18. says that if you can find a vertical line passing through more than one point of a graph, it is not a function