Math Extra Credit - Unit 3 crossword puzzle

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Across
  1. 2. a function for which the graph is a line
  2. 4. letter that represents the slope
  3. 6. described by an equation of the form y=kx where k≄0
  4. 9. illustrates a constant rate of change
  5. 12. The simplest linear function is f(x)=x and is called the_____of the family of linear functions
  6. 13. k
  7. 15. difference between successive terms is constant
  8. 16. agroup of graphs with one or more similar characteristics
  9. 17. an equation that forms a line when it is
  10. 19. equation of slope
Down
  1. 1. the difference between the terms
  2. 3. slope is _____
  3. 5. a ratio that describes, on average, how much one
  4. 7. standard equation
  5. 8. a set of numbers in a specific order
  6. 10. the ratio of change that is rise over run
  7. 11. changes with respect to a change in another quantity
  8. 14. any value that makes the equation true
  9. 18. a slope is ___ if it has a zero
  10. 20. two is the x axis and 3 is the y axis