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# Is Circle J centered on the origin? (1) Point (x, 0) is on Circle J. (

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Manager
Joined: 23 Sep 2016
Posts: 233
Is Circle J centered on the origin? (1) Point (x, 0) is on Circle J. (  [#permalink]

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14 Mar 2018, 01:22
1
1
00:00

Difficulty:

45% (medium)

Question Stats:

51% (00:51) correct 49% (00:52) wrong based on 48 sessions

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Is Circle J centered on the origin?

(1) Point (x, 0) is on Circle J.
(2) Point (-x, 0) is on Circle J.
Math Expert
Joined: 02 Aug 2009
Posts: 7960
Is Circle J centered on the origin? (1) Point (x, 0) is on Circle J. (  [#permalink]

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14 Mar 2018, 02:28
2
rishabhmishra wrote:
Is Circle J centered on the origin?

(1) Point (x, 0) is on Circle J.
(2) Point (-x, 0) is on Circle J.

Individually both statements are clearly insuff..
Combined..
This tells us that the centre is on y-axis..
But the line x to (-x) can be diameter or a Chord..
So origin could be anywhere on y-axis..
E
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Is Circle J centered on the origin? (1) Point (x, 0) is on Circle J. (   [#permalink] 14 Mar 2018, 02:28
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