Question

Which expression is a trinomial?

A. x+y-13
B. 4xyz
C. 4x^3
D. x^3-3x^2+7x+5

Answer 1

Answer:

  A.  x+y-13

Step-by-step explanation:

A trinomial is a polynomial with 3 terms. Here are comments on the answer choices:

  A. 3 terms -- your answer

  B. 1 term of degree 3

  C. 1 term of degree 3

  D. 4 terms of degrees ranging from 3 to 0.

Answer 2

Answer:

A.$x+y-13$

Step-by-step explanation:

We have to find the expression which is tri-nomial.

Trinomial: It is that expression which contains three terms.

A.$x+y-13$

It contains three terms .Therefore, it is trinomial.

B.4xyz

It does not contains three terms .Therefore, it is false.

C.$4x^3$

It does not contains three terms .Therefore, it is false.

D.$x^3-3x^2+7x+5$

It contains four terms .Therefore, it is not trinomial.

Answer:A.$x+y-13$