conic-section

Question: The directrix of the parabola ${{x}^{2}}-4x-8y+12=0$ is



1) $x=1$
2) $y=0$
3) $x=-1$
4) $y=-1$
Solution: Explanation: No Explanation
Parabola

Rate this question:

Average rating: (0 votes)

Previous Question Next Question