Choose the correct answer from the given four options. The locus … - Vidyadip

MCQ

Choose the correct answer from the given four options.
The locus represented by xy + yz = 0 is:

A
A pair of perpendicular lines.
B
A pair of parallel lines.
C
A pair of parallel planes.
✓
A pair of perpendicular planes.

✓

Answer

Correct option: D.

A pair of perpendicular planes.

We have, xy + yz = 0
⇒ xy = -yz
So, a pair of perpendicular planes.

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