Question

Which of the following polynomials are trinomials?

• A. $-4+t^2$
• B. $p^2-q^2$
• C. $-2pqr$
• D. $-s^2+t^2-4ts$

Answer 1

Answer: (D)

Trinomial $=-s^2+t^2-4ts$
An expression that contains three terms is called trinomial.