algebra final

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Across
  1. 3. constant of variation for a direct variation
  2. 4. a function that pairs every number in an interval with a single value
  3. 8. Ax+By=c
  4. 9. a linear equation of a non vertical line
  5. 10. has infinitely solutions
  6. 12. a line on a scatter plot
  7. 13. the relationship between two changing quantities
  8. 14. an equation that models a linear function
Down
  1. 1. you use these properties to add or subtract equations in order to eliminate a variable in a system
  2. 2. an equation of a non vertical line with slope M through point (x1,y1)
  3. 5. the x coordinate of a point where a graph crosses the x asis
  4. 6. a system of equations that has at least on solution
  5. 7. a function that has different rules for different parts of its domain
  6. 9. rise/run
  7. 11. the y coordinate of a point where the graph crosses the y-asis