Conic Sections Question 520
Question: The equation of the latus rectum of the parabola $ x^{2}+4x+2y=0 $ is
[Pb. CET 2004]
Options:
A) $ 2y+3=0 $
B) $ 3y=2 $
C) $ 2y=3 $
D) $ 3y+2=0 $
Show Answer
Answer:
Correct Answer: C
Solution:
$ {{(x+2)}^{2}}=-2(y-2) $
Equation of latus rectum is $ y-2=-\frac{1}{2} $
therefore $ y=\frac{3}{2} $ .