For expressions below that are polynomials, state whether it is a monomial, a binomial, a trinomial, or another polynomial. Otherwise, select "Not a polynomial".12 x 4 − 20 x 2 + 13 \displaystyle {12}{x}^{{4}}-{20}{x}^{{2}}+{13} 12 x 4 − 20 x 2 + 13 is Select an answer
a monomial
a binomial
a trinomial
an other polynomial
Not a polynomial
20 x 8 + 8 x 6 − 3 x 2 + 5 \displaystyle {20}{x}^{{8}}+{8}{x}^{{6}}-{3}{x}^{{2}}+{5} 20 x 8 + 8 x 6 − 3 x 2 + 5 is Select an answer
a monomial
a binomial
a trinomial
an other polynomial
Not a polynomial
8 x 3 + 5 \displaystyle {8}{x}^{{3}}+{5} 8 x 3 + 5 is Select an answer
a monomial
a binomial
a trinomial
an other polynomial
Not a polynomial
20 x 4 + 8 x 3 − 8 x 2 + 3 \displaystyle {20}{x}^{{4}}+\frac{{8}}{{x}^{{3}}}-{8}{x}^{{2}}+{3} 20 x 4 + x 3 8 − 8 x 2 + 3 is Select an answer
a monomial
a binomial
a trinomial
an other polynomial
Not a polynomial
9 x 4 \displaystyle {9}{x}^{{4}} 9 x 4 is Select an answer
a monomial
a binomial
a trinomial
an other polynomial
Not a polynomial