Absolute value: interesting one..need to clarify my doubt

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Absolute value: interesting one..need to clarify my doubt [#permalink]

27 Nov 2011, 18:54

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In the rectangular coordinate system, are the points (p,q) and (r,s) equidistant from the origin?

(1) |p| = |q|

(2) |q| = |r| = |s|

the answer that is given is option (C). But it is not possible to say that they r equidistanct from origin with statement 2 alone as it is a rectangular coordinate system.. points are symmetrical and equidistance abount the origin in a rectangle.....

[Reveal] Spoiler: OA

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Re: Absolute value: interesting one..need to clarify my doubt [#permalink]

28 Nov 2011, 08:50

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dvinoth86 wrote:

But it is not possible to say that they r equidistanct from origin with statement 2 alone as it is a rectangular coordinate system.. points are symmetrical and equidistance abount the origin in a rectangle.....

When they say 'rectangular coordinate system', they just mean that the x-axis and y-axis make a right angle between them. So they're just talking about the standard x-y coordinate plane. It doesn't mean that any two points are equidistant from the origin. Statement 2 here is not sufficient, since you need some information about p.
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Re: Absolute value: interesting one..need to clarify my doubt [#permalink] 28 Nov 2011, 08:50

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Absolute value: interesting one..need to clarify my doubt

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Absolute value: interesting one..need to clarify my doubt

Absolute value: interesting one..need to clarify my doubt

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