Write the following polynomials in the standard form (descending type) : $3 x - x^{4} + 5 x^{3} + 2 x^{2} - 5$

x^{4} + 5 x^{3} + 2 x^{2} + 3

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- x^{4} + 5 x^{3} + 2 x^{2} + 3 x - 5

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- x^{4} + 5 x^{3} + x^{2} - 3 x - 5

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x^{4} + x^{3} + 2 x^{2} + 3 x - 5

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Solution

The correct option is B $- x^{4} + 5 x^{3} + 2 x^{2} + 3 x - 5$
A polynomial function is in standard form if its terms are written in descending order of exponents from left to right.
$3 x - x^{4} + 5 x^{3} + 2 x^{2} - 5$
$= - x^{4} + 5 x^{3} + 2 x^{2} + 3 x - 5$

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