Question

Which polynomial is a quintic trinomial?

A. x² + 4

B. −x4−5x2+1

C. x3+2x2−8x+16

D. 3x5+7x2−9x4

Answer 1

D. 3x5+7x2−9x4

Explanation:

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Answer 2

A quintic trinomial has a maximum power of 5 and three terms.

For example: x^5 + x^4 + x^3

Here, the only quintic trinomial is D: 3x^5 + 7x^2 - 9x^4