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Updated on: 05 Jul 2019, 06:44
Originally posted by Bunuel on 21 Jun 2017, 01:55.
Last edited by Sajjad1994 on 05 Jul 2019, 06:44, edited 2 times in total.
Last edited by Sajjad1994 on 05 Jul 2019, 06:44, edited 2 times in total.
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D
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
25%
(medium)
Question Stats:
67% (00:47) correct
33%
(00:56)
wrong
based on 99
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A circle is depicted in the rectangular coordinate system as shown. The value of x is
(A) 4
(B) 6
(C) 8
(D) 10
(E) 12
Attachment:
2017-06-21_1253.png [ 13.27 KiB | Viewed 4973 times ]
Source: Nova GMAT
Difficulty Level: 600
Difficulty Level: 600
21 Jun 2017, 02:14
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The radius to this circle is 4, as the circle passes through line x=4 and x=-4.
The origin of this circle must be (6,0) because the circle with radius 4 will definitely pass through (2,0)
On the other side of the x-axis, the circle passes through (10,0)
Hence the value of x is 10(Option D)
The origin of this circle must be (6,0) because the circle with radius 4 will definitely pass through (2,0)
On the other side of the x-axis, the circle passes through (10,0)
Hence the value of x is 10(Option D)
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21 Jun 2017, 02:32
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Since the Diameter of the circle is 8
Distance between (2,0) & (x,0) should be 8 (Line cuts the circle into two equal parts)
(x-2) = 8
x=10
Hence D
Distance between (2,0) & (x,0) should be 8 (Line cuts the circle into two equal parts)
(x-2) = 8
x=10
Hence D
