Find the value of following polynomial by taking $x = 1, y = 3$ :
$y^{2} - x y + y$

7

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8

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9

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11

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Solution

The correct option is B $9$
We simply substitute $x = 1, y = 3$ in the given polynomial $y^{2} - x y + y$ as shown below:

$y^{2} - x y + y = 3^{2} - (1 \times 3) + 3 = 9 - 3 + 3 = 9$

Hence, the value of the polynomial $y^{2} - x y + y = 9$ when $x = 1, y = 3$ .

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