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

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

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New post 14 Mar 2018, 01:22
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Question Stats:

49% (00:34) correct 51% (00:30) wrong based on 39 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.
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Is Circle J centered on the origin? (1) Point (x, 0) is on Circle J. ( [#permalink]

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New post 14 Mar 2018, 02:28
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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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3) effects of arithmetic operations : https://gmatclub.com/forum/effects-of-arithmetic-operations-on-fractions-269413.html


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

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