Rearrange the polynomial in decreasing order; state the degree of the polynomial. $7 x ^ { 3 }$ + $9$ - $4 x$ + $9 x ^ { 5 }$ A) 4th B) 5th C) 9x ⁵ + 7x ³ - 4x + 9 D) 6th E) 7x ³ - 4x + 9x ⁵ + 9 F) 9 - 4x + 7x ³ + 9x ⁵

Question

Quizplus · Accepted Answer

The polynomial rearranged in decreasing order is $9x^5 + 7x^3 - 4x + 9$, which matches choice C. The highest power of x in the polynomial is 5, indicating it is a 5th degree polynomial, which matches choice B.

Rearrange the Polynomial in Decreasing Order; State the Degree of the Polynomial