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Retired Moderator
Joined: 16 Apr 2020
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In the rectangular coordinate system, points (4, 0) and (– 4, 0)
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31 Aug 2021, 03:03
31 Aug 2021, 03:03
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Question Stats:
28% (01:12) correct
71% (00:53) wrong based on 28 sessions
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In the rectangular coordinate system, points (4, 0) and (– 4, 0) both lie on circle O.
A. Quantity A is greater
B. Quantity B is greater
C. The two quantities are equal
D. The relationship cannot be determined from the information given
Kudos for the right answer and explanation
Question part of the project GRE Quant/Math Extreme Challenge Daily (2021) Edition
GRE - Math Book
Quantity A |
Quantity B |
Maximum possible value of the area of O |
\(16π\) |
A. Quantity A is greater
B. Quantity B is greater
C. The two quantities are equal
D. The relationship cannot be determined from the information given
Kudos for the right answer and explanation
Question part of the project GRE Quant/Math Extreme Challenge Daily (2021) Edition
GRE - Math Book
Retired Moderator
Joined: 16 Apr 2020
Status:Founder & Quant Trainer
Affiliations: Prepster Education
Posts: 1546
Given Kudos: 172
Location: India
WE:Education (Education)
Re: In the rectangular coordinate system, points (4, 0) and (– 4, 0)
[#permalink]
02 Sep 2021, 05:08
02 Sep 2021, 05:08
3
Explanation:
(Refer to the figure below)
Do not assume the centre of this circle is at (0, 0)
If centre is at (0, 0)
Col. A: \(16π\)
Col. B: \(16π\)
i.e. Col. A = Col. C
If the centre is not at origin
Col. A > Col. B
Hence, option D
(Refer to the figure below)
Do not assume the centre of this circle is at (0, 0)
If centre is at (0, 0)
Col. A: \(16π\)
Col. B: \(16π\)
i.e. Col. A = Col. C
If the centre is not at origin
Col. A > Col. B
Hence, option D
Attachments
In the rectangular coordinate system, points (4, 0) and (– 4, 0) both lie on circle O..png [ 31.24 KiB | Viewed 2822 times ]
General Discussion
Re: In the rectangular coordinate system, points (4, 0) and (– 4, 0)
[#permalink]
31 Aug 2021, 04:44
31 Aug 2021, 04:44
is it C,
because both point lies on circle that on extreme region of circle which makes diameter =8 and radius =4
applying formula of area of circle=16*3.14.
because both point lies on circle that on extreme region of circle which makes diameter =8 and radius =4
applying formula of area of circle=16*3.14.
