Across
- 4. inverse of addition
- 5. the reverse of rational numbers is called _____ numbers
- 7. an alphabet that doesn't have a fixed value
Down
- 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. an expression is said to be ____ if it has no grouping symbols and if all like terms have been combined
- 3. terms in an expression that have the same variable raised to the same power
- 6. the set of rational and irrational numbers are called ______ numbers
