conic-section

Question: The equation of the parabola with focus (0, 0) and directrix $x+y=4$ is



1) ${{x}^{2}}+{{y}^{2}}-2xy+8x+8y-16=0$
2) ${{x}^{2}}+{{y}^{2}}-2xy+8x+8y=0$
3) ${{x}^{2}}+{{y}^{2}}+8x+8y-16=0$
4) ${{x}^{2}}-{{y}^{2}}+8x+8y-16=0$
Solution: Explanation: No Explanation
Parabola

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