Circle And System Of Circles Question 155
Question: The equation of the circle with centre on the x-axis, radius 4 and passing through the origin, is
Options:
A) $ x^{2}+y^{2}+4x=0 $
B) $ x^{2}+y^{2}-8y=0 $
C) $ x^{2}+y^{2}\pm 8x=0 $
D) $ x^{2}+y^{2}+8y=0 $
Show Answer
Answer:
Correct Answer: C
Solution:
As the centre may be $ (\pm 4,\ 0) $ and radius = 4.
BETA
