Question

Question 2

In a polynomial, the exponents of the variables are always
a) integers
b) positive integers
c) non-negative integers
d) non-positive integers

Answer 1

(b) positive integers

In a polynomial, the exponents of the variables are either positive integers or 0.
Constant term C can be written as C or $x^0$. We do not consider the expressions as a polynomial which consists of the variables having negative/fractional exponent.