Question

Determine if the expression x3y59+y\frac{x^3y^5}{9}+y 9 x 3 y 5 ​ +y is a polynomial or not. If it is a polynomial, state the type and degree of the polynomial.

Answer 1

The degree of an individual term of a polynomial is the exponent of its variable; the exponents of the terms of this polynomial are, in order, 5, 4, 2, and 7.

The degree of the polynomial is the highest degree of any of the terms; in this case, it is 7.