Question

identify the type of polynomial for $7x^2 + 3x - 1$.
a. monomial
b. trinomial
c. binomial
d. quadrinomial

Explanation:

A trinomial is a polynomial with exactly three distinct terms. The given expression $7x^2 + 3x - 1$ has three terms: $7x^2$, $3x$, and $-1$, so it is a trinomial.

Answer:

b. Trinomial