The coefficient of term $x y^{2}$ in expression $6 x y^{2} + x^{3} - x^{5} + 3 x y^{2} + 7 x^{4} + 4 x + 7$ is

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Solution

The correct option is B
9

Since $6 x y^{2}$ and $3 x y^{2}$ are like terms, the given expression is written as follows.

$6 x y^{2} + x^{3} - x^{5} + 3 x y^{2} + 7 x^{4} + 4 x + 7 = 9 x y^{2} + x^{3} - x^{5} + 7 x^{4} + 4 x + 7$

Therefore, the coefficient of $x y^{2}$ is 9.

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