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24 Aug 2016, 19:19
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A
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
55%
(hard)
Question Stats:
51% (01:12) correct
49%
(01:31)
wrong
based on 220
sessions
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Which of the following points is symmetric with y=x at (-1,-2)?
A. (-2,-1)
B. (-2,1)
C. (2,1)
D. (-1,-2)
E. (-1,2)
*An answer will be posted in 2 days.
A. (-2,-1)
B. (-2,1)
C. (2,1)
D. (-1,-2)
E. (-1,2)
*An answer will be posted in 2 days.
Senthil1981
Joined: 23 Apr 2015
Last visit: 14 Oct 2021
Posts: 225
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Given Kudos: 36
Location: United States
Concentration: General Management, International Business
Schools: Booth PT '19 Ross Weekend"19
WE:Engineering (Consulting)
24 Aug 2016, 20:52
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MathRevolution
the point symmetric to y=x will be equidistant from line to the point -1,-2 and same distance . From the graph, the symmetric point is (-2,-1)
Answer is A
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27 Aug 2016, 05:22
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If the point is symmetric to y=x, we can put y-value to x coordinates and put x-value into y coordinates. Then we get (-1, -2) --> (-2, -1). Hence, the correct answer is A.
