Algebra Crossword Puzzle

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Across
  1. 3. Pair A set of numbers written in form (x,y)
  2. 5. The set of second numbers in an ordered pair
  3. 7. The result of substituting a value into a fraction
  4. 8. The horizontal axis on a coordinate plane
  5. 9. Plane Intersection of two number lines
  6. 13. The point where the x and y axis intersect
  7. 14. Illustration of the pared domain and
  8. 15. A relation between a set of inputs having one output each
Down
  1. 1. Notation A way to name a function defined as a equation
  2. 2. The x-intercept of the graph function
  3. 4. The set of first numbers in ordered pairs
  4. 6. The four regions of a coordinate plane
  5. 10. A set of ordered pairs
  6. 11. A value substituted for an x-value in a function
  7. 12. The vertical axis on a coordinate plane