Functions & Relations Dictionary

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Across
  1. 3. a set of numbers written in the form (x,y)
  2. 6. the y-value of an ordered pair
  3. 8. the point at which the x- and y-axis intersect on the coordinate plane; (0,0)
  4. 9. the vertical axis on a coordinate plane
  5. 13. illustrates how each element of the domain is paired with an element of the range
  6. 15. the x-value of an ordered pair
  7. 16. the set of first numbers of the ordered pairs in a relation
  8. 17. a value substituted for an x-value in a function
  9. 18. the results of substituting a value into a function
  10. 20. a set of ordered pairs
Down
  1. 1. a way to name a function that is defined by an equation
  2. 2. formed by the intersection of two number lines
  3. 4. the set of second numbers of the ordered pairs in a relation
  4. 5. the horizontal axis on a coordinate plane
  5. 7. if any vertical line passes through the graph of a relation no more than once, then it is a function
  6. 10. the four regions into which the x and y-axis separate the coordinate plane
  7. 11. a graph that consists of points that are not connected
  8. 12. a relation in which each element of the domain is paired with exactly one element of the range
  9. 14. the x-intercepts of the graph of a function
  10. 19. graph a function graphed with a line or smooth curve