Real Numbers and the Coordinate Plane

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Across
  1. 1. / the vertical axes of the coordinate plane
  2. 5. / first number in an ordered pair
  3. 6. / the horizontal axes of the coordinate plane
  4. 7. / a decimal that has the same digit repeated
  5. 9. / second number in an ordered pair
  6. 10. / 8 is called a because 2x2x2 is 8
  7. 11. / (0, 0)
  8. 13. / sides that create the 90 degree angle in a right triangle
  9. 15. / used to find the length of a right triangle
  10. 16. / (x,y)
  11. 18. / 2 is the ____________ of 8
  12. 19. / The coordinate is divided into four ______.
Down
  1. 2. / a number that cannot be written as a fraction
  2. 3. / the longest side of a right triangle
  3. 4. / a decimal that stops
  4. 8. / 9 is called a ____ because 3x3 is 9
  5. 12. / a number written as a fraction
  6. 14. / 3 is the __________ of 9
  7. 17. / the set of rational and irrational numbers