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# Is (-2,-√3) a point on line OQ?

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Retired Moderator
Joined: 27 Oct 2017
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Concentration: International Business, General Management
GPA: 3.64
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Is (-2,-√3) a point on line OQ?  [#permalink]

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18 Jul 2019, 15:02
1
4
00:00

Difficulty:

75% (hard)

Question Stats:

46% (02:04) correct 54% (01:46) wrong based on 37 sessions

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Is (-2,-√3) a point on line OQ?

(1) P = (-1,√3)
(2) Angle POQ = 60 degrees

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Joined: 28 Feb 2014
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Concentration: General Management, International Business
GMAT 1: 570 Q49 V20
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Re: Is (-2,-√3) a point on line OQ?  [#permalink]

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18 Jul 2019, 20:37
1
gmatbusters wrote:

Is (-2,-√3) a point on line OQ?

(1) P = (-1,√3)
(2) Angle POQ = 60 degrees

GMATbuster's Collection

To find whether slope of OQ is √3/2 or not.

(1) Slope of the line P can be calculated as -√3, and we can determine angle which OP makes with negative x axis. But, no information related to OQ given. Insufficient.

(2) Angle POQ do not give any specific information about OQ. Insufficient.

(1)+(2), we know angle which OP makes with negative x axis from (1), therefore angle which OQ makes with negative x axis can be calculated.
From this information we will be able to tell whether slope of OQ is √3/2 or not. We actually dont need to calculate the value as this is a DS question.

IMO C
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Re: Is (-2,-√3) a point on line OQ?  [#permalink]

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04 Aug 2019, 17:42
gmatbusters wrote:

Is (-2,-√3) a point on line OQ?

(1) P = (-1,√3)
(2) Angle POQ = 60 degrees

GMATbuster's Collection

Hi gmatbusters,

Can you please post the official OE for this question. Thank you.
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Joined: 27 Oct 2017
Posts: 1398
Location: India
Concentration: International Business, General Management
GPA: 3.64
WE: Business Development (Energy and Utilities)
Re: Is (-2,-√3) a point on line OQ?  [#permalink]

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05 Aug 2019, 01:44
1
Solution attached

gmatbusters wrote:

Is (-2,-√3) a point on line OQ?

(1) P = (-1,√3)
(2) Angle POQ = 60 degrees

GMATbuster's Collection

Attachment:

Sol.JPG [ 90.76 KiB | Viewed 322 times ]

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Re: Is (-2,-√3) a point on line OQ?   [#permalink] 05 Aug 2019, 01:44
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# Is (-2,-√3) a point on line OQ?

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