Question

which description is correct for the polynomial 3x^4 + x + 7?
quartic binomial
quadratic trinomial
quartic trinomial
cubic trinomial

Explanation:

Step1: Determine the degree

The highest - power of the variable $x$ in the polynomial $3x^{4}+x + 7$ is 4. A polynomial of degree 4 is called a quartic polynomial.

Step2: Determine the number of terms

The polynomial $3x^{4}+x + 7$ has three terms ($3x^{4}$, $x$, and 7). A polynomial with three terms is called a trinomial.

Answer:

quartic trinomial