REAL NUMBERS

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Across
  1. 4. inverse of addition
  2. 5. the reverse of rational numbers is called _____ numbers
  3. 7. an alphabet that doesn't have a fixed value
Down
  1. 1. a number is said to be _____ when it can be expressed in the form of p/q where p and q are coprime and q is not equal to zero
  2. 2. an expression is said to be ____ if it has no grouping symbols and if all like terms have been combined
  3. 3. terms in an expression that have the same variable raised to the same power
  4. 6. the set of rational and irrational numbers are called ______ numbers