conic-section

Question: The focus of the parabola $y=2{{x}^{2}}+x$ is



1) (0, 0)
2) $\left( \frac{1}{2},\ \frac{1}{4} \right)$
3) $\left( -\frac{1}{4},\ 0 \right)$
4) $\left( -\frac{1}{4},\ \frac{1}{8} \right)$
Solution: Explanation: No Explanation
Parabola

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