Classify the following expression by degree and term: x3y + 5xyz. A. 3rd degree trinomial B. 4th degree binomial C. 3rd degree binomial D. 5th degree binomial

The answer is C. 3rd degree binomial.

The expression is x ³y + 5xyz

In algebra, if something is binomial, it means that there are 2 (prefix bi-) terms. In this example, there are 2 terms: one is x ³y, and the other is 5xyz.

Further, there are 3 variables - x, y, and z. Each of these variables contributes to one "degree", so it is 3rd degree.