Number System

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Across
  1. 3. The decimal expansion of a rational number is either terminating or non-terminating ________.
  2. 5. The ______ are denoted by Z sign.
  3. 6. The ______ are denoted by N sign.
  4. 8. The _____ numbers are denoted by W.
Down
  1. 1. The √ symbol is called the ______ sign.
  2. 2. A number r is called ________ number if it can not be written in the form of p/q, where p and q are integers, and q is not equal to 0.
  3. 3. A number r is called ________ number if it can be written in the form of p/q, where p and q are integers, and q is not equal to 0.
  4. 4. The number 56.123 is a rational number. True or False ?
  5. 7. There is a _______ number corresponding to every point on the number line.