Active and Passive Voice
Q: Rewrite the sentence in the passive voice: The teacher praised the students.
Did You Know?
If the roots are $\alpha$ and $\beta$, the quadratic equation is $x^2 - (\alpha + \beta)x + \alpha\beta = 0$. Here $\alpha = 4$, $\beta = -2$, so sum = $4 + (-2) = 2$, product = $4 \times (-2) = -8$. Therefore, the equation is $x^2 - 2x - 8 = 0$.
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