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Inequality

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by thephoenix » Sun Oct 10, 2010 7:00 am
IMO E
for a,b and cwe are getting infinite line segment
D again a infinite line segment
E only finite line hence is correct

a) x can take any value > or < 1 so infinite
b) x can take any value <=3 so infinite
c)x can take any value >2 or <-2 again infinite
d) line can be in ist and 2nd qurd
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by shovan85 » Sun Oct 10, 2010 7:04 am
thephoenix wrote:IMO E
for a,b we are getting infinite line segment
for c we get two line segment
D again a infinite line segment
E only finite line hence is correct
How D is infinite and E is finite? I am not able to visualize the situation here Plz Help :(
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by thephoenix » Sun Oct 10, 2010 7:08 am
shovan85 wrote:
thephoenix wrote:IMO E
for a,b we are getting infinite line segment
for c we get two line segment
D again a infinite line segment
E only finite line hence is correct
How D is infinite and E is finite? I am not able to visualize the situation here Plz Help :(
sorry typo D is two line seg
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by lokesh r » Mon Oct 11, 2010 2:02 am
thephoenix wrote:
shovan85 wrote:
thephoenix wrote:IMO E
for a,b we are getting infinite line segment
for c we get two line segment
D again a infinite line segment
E only finite line hence is correct
How D is infinite and E is finite? I am not able to visualize the situation here Plz Help :(
sorry typo D is two line seg
By saying 2 line segment do you mean x is between -2 and -5 in II quad and between 2 and 5 in I quad?
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by this_time_i_will » Mon Oct 11, 2010 6:21 pm
D is finite, but has two line segment.
x > 0: 2<= x< =5
x < 0: -2>= x >= -5

Since, above two intervals do not have any common point, they will be represent different segments.
I don't think we can say anything about quadrants, because value of Y is unknown.
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by ptm_30 » Tue Oct 12, 2010 2:55 pm
IMO E because the qn is asking for a solution with a SINGLE line segment of finite length. In option D, there are more than 1 (violating the word SINGLE) line segments, hence eliminate D.
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by fskilnik@GMATH » Wed Oct 13, 2010 6:25 am
Answer: E

Hope I did it all clear.

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