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## Geometry | OG12

This topic has 2 expert replies and 0 member replies
nishatfarhat87@gmail.com Master | Next Rank: 500 Posts
Joined
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#### Geometry | OG12

Wed Sep 26, 2012 7:52 pm
On the graph above, when x = 1/2, y = 2; and when x = 1, y = 1. The graph is symmetric with respect to the vertical line at x = 2. According to the graph, when x = 3, y =

(A) -1
(B) -1/2
(C) 0
(D)1/2
(E) 1

For graph refer page 153 of OG. Question no. 9. Please help. Not able to understand the OG explanation.

### GMAT/MBA Expert

GMATGuruNY GMAT Instructor
Joined
25 May 2010
Posted:
14044 messages
Followed by:
1814 members
13060
GMAT Score:
790
Thu Sep 27, 2012 3:11 am
nishatfarhat87@gmail.com wrote:
On the graph above, when x = 1/2, y = 2; and when x = 1, y = 1. The graph is symmetric with respect to the vertical line at x = 2. According to the graph, when x = 3, y =

(A) -1
(B) -1/2
(C) 0
(D)1/2
(E) 1

For graph refer page 153 of OG. Question no. 9. Please help. Not able to understand the OG explanation.
Figures in PS questions are generally drawn to scale:

We can see that when x=3, y=1.

The correct answer is E.

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### GMAT/MBA Expert

Anurag@Gurome GMAT Instructor
Joined
02 Apr 2010
Posted:
3835 messages
Followed by:
520 members
1854
GMAT Score:
770
Wed Sep 26, 2012 7:58 pm
nishatfarhat87@gmail.com wrote:
On the graph above, when x = 1/2, y = 2; and when x = 1, y = 1. The graph is symmetric with respect to the vertical line at x = 2. According to the graph, when x = 3, y =

(A) -1
(B) -1/2
(C) 0
(D)1/2
(E) 1

For graph refer page 153 of OG. Question no. 9. Please help. Not able to understand the OG explanation.
It can be seen that the graph is symmetric with respect to line x = 2, so the value of y when x = 3 will be the same as the value of y when x = 1, so y = 1.

The correct answer is E.

_________________
Anurag Mairal, Ph.D., MBA
GMAT Expert, Admissions and Career Guidance
Gurome, Inc.
1-800-566-4043 (USA)

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