Question

Choose a term from the Key Vocabulary list above that best describes the given expression.

$x^2+1$

Short answer

The given expression can be best described as a binomial.

Step-by-step solution

Step 1. Define an expression.

A mathematical expression is a combinations of numbers and variables ordered with mathematical operations.

Step 2. Define a binomial.

In algebra, a binomial is a polynomial that is the sum of two terms, each of which is a monomial.

Step 3. Write the best description for the expression x2+1.

Observe the expression $x^2+1$.

This expression is the sum of two monomials$x^2$ and 1.

So, it can be termed as a binomial.

Therefore the given expression can be best described as a binomial.