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05 Jan 2013, 21:41
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E
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:
54% (01:21) correct
46%
(01:27)
wrong
based on 145
sessions
History
Date
Time
Result
Not Attempted Yet
Attachment:
screen_shot_cordinate_geometry.png [ 41.68 KiB | Viewed 3795 times ]
What are the equations of the two parallel lines shown here?
(1) Point A has coordinates (0,2)
(2) Point B has coordinates (-3,0)
Why not C?
Using Point A and B, equation of line joining both points can be found, finally slope ( say m)
We know that line is perpendicular with those parallel lines. (So slope of these lines will be -1/m)
Using one Point A and slope (-1/m) we can derive equation
Like wise, Point B can be done.
Using Point A and B, equation of line joining both points can be found, finally slope ( say m)
We know that line is perpendicular with those parallel lines. (So slope of these lines will be -1/m)
Using one Point A and slope (-1/m) we can derive equation
Like wise, Point B can be done.
Please explain
05 Jan 2013, 22:22
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shanmugamgsn
Attachment:
screen_shot_cordinate_geometry.png
What are the equations of the two parallel lines shown here?
(1) Point A has coordinates (0,2)
(2) Point B has coordinates (-3,0)
Why not C?
Using Point A and B, equation of line joining both points can be found, finally slope ( say m)
We know that line is perpendicular with those parallel lines. (So slope of these lines will be -1/m)
Using one Point A and slope (-1/m) we can derive equation
Like wise, Point B can be done.
Using Point A and B, equation of line joining both points can be found, finally slope ( say m)
We know that line is perpendicular with those parallel lines. (So slope of these lines will be -1/m)
Using one Point A and slope (-1/m) we can derive equation
Like wise, Point B can be done.
Please explain
PrashantPonde
Joined: 27 Jun 2012
Last visit: 28 Nov 2024
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05 Jan 2013, 22:26
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The diagram given in the problem is deceiving. You assumed the line AB is perpendicular to those parallel lines, however those parallel line can have any slope. Check below diagram.
Coordinates of A & B does not help to find out the slope of parallel lines.
Hence the correct answer choice is (E)
Parallel Lines.jpg [ 86.23 KiB | Viewed 3805 times ]
Coordinates of A & B does not help to find out the slope of parallel lines.
Hence the correct answer choice is (E)
Attachment:
Parallel Lines.jpg [ 86.23 KiB | Viewed 3805 times ]
