Crossword Puzzle

4. A denominator can never be ____
5. A polynomial with two terms which are not like terms.
8. A number that cam be expressed as a fraction a/b, where b is not a zero
10. Parts of an expression or series separated by + or – signs, or the parts of a sequence separated by commas.
11. x in the expression ax. For example, 3 is the exponent in 23.
12. A quantity that can change or that may take on different values.
14. The mathematics of working with variables.
15. A first degree equation

1. A real number greater than zero.
2. The sum or difference of terms which have variables raised to positive integer powers and which have coefficients that may be real or complex.
3. As a noun, a term or expression with no variables.
6. The set of ___ includes zero, negative and positive numbers without any decimal or fractional parts.
7. A polynomial with one term. The following are all monomials: 5x3, 8, and 4xy.
9. A real number less than zero.
13. A number or expression raised to the power