Question

Which polynomial is a quintic trinomial?

A. -x^4-5x^2
B. x^3+2x^2−8x+16
C. x² + 4
D. 3x^5+7x^2−9x^4

Answer 1

D

Explanation:

a quintic polynomial is a polynomial of degree 5

A is a polynomial of degree 4 (-
`x^(4)` term )

B is a polynomial of degree 3 (x³ term )

C is a polynomial of degree 2 ( x² term )

D is a polynomial of degree 5 ( 3
`x^(5)` term )