Unit 3 Relations & Functions Dictionary

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Across
  1. 2. A set of ordered pairs.
  2. 3. The result of substituting a value into a function.
  3. 4. The y-value of an ordered pair. Represents the vertical placement of an ordered pair.
  4. 8. A value substituted for an x-value in a function.
  5. 11. The four regions into which the x- and y-axis separate the coordinate plane.
  6. 13. The x-value of an ordered pair. Represents the horizontal placement of the point.
  7. 14. The horizontal axis on a coordinate plane.
  8. 15. A graph that consists of points that are not connected.
  9. 18. The x-intercepts of the graph of a function. The points for which f(x)=0.
  10. 19. A way to name a function that is defined by an equation. Replace "y" with "f(x)".
  11. 20. Illustrates how each element of the domain is paired with exactly one element of the range.
  12. 21. Formed by the intersection of two number lines.
  13. 22. The difference (d) between the terms of an arithmetic sequence.
  14. 23. A numerical pattern that increases or decreases at a constant rate or value.
Down
  1. 1. If any vertical line passes through the graph of a relation no more than once, then it is a function.
  2. 5. A function graphed with a line or smooth curve.
  3. 6. The point at which the x- and y-axis intersect on the coordinate plane (0,0).
  4. 7. The set of first numbers (x-values) of the ordered pairs of a relation.
  5. 9. A set of numbers, or coordinates, written in the form (x,y).
  6. 10. The vertical axis on a coordinate plane.
  7. 12. A formula used to find the nth number of an arithmetic sequence.
  8. 16. The set of second numbers (y-values) of the ordered pairs of a relation.
  9. 17. A relation in which each element of the domain is paired with exactly one element of the range.