Question:
Which of the following is a true statement?
(a) x2 + 5x − 3 is a linear polynomial.
(b) x2 + 4x − 1 is a binomial.
(c) x + 1 is a monomial.
(d) 5x3 is a monomial.
Solution:
(d) $5 x^{2}$ is a monomial.
$5 x^{2}$ consists of one term only. So, it is a monomial.