I. $x^{2}$ + 9x + 14 = 0

II. $y^{2}$ + y - 2 = 0

if x < y

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if x y

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if x > y

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if x y

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Solution

The correct option is B
if x y

$\begin{matrix} x^{2} + 9 x + 14 = 0 \Rightarrow (x + 2) (x + 7) = 0 \Rightarrow x = - 2, - 7 y^{2} + y - 2 = 0 \Rightarrow (y + 2) (y - 1) = 0 \Rightarrow y = 1, - 2 ∴ x \leq y \end{matrix}$

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