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Which polynomial is a quintic trinimial? X³ + 2x² - 8x + 16 -x⁴ - 5x² + 1 3x⁵ + 7x² - 9x⁴ X² + 4
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Which polynomial is a quintic trinimial?

X³ + 2x² - 8x + 16
-x⁴ - 5x² + 1
3x⁵ + 7x² - 9x⁴
X² + 4

User KevinZ
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1 Answer

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The only polynomial that is a quintic trinomial is:

3x⁵ + 7x² - 9x⁴

A quintic polynomial has a degree of 5, and a trinomial is a polynomial with three terms. Among the given options, only 3x⁵ + 7x² - 9x⁴ satisfies both conditions.
User Vaxo Basilidze
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