stmt1,
L1 is parallel to x=3y
x=3y
y=(1/3)x
L1 slope=1/3[Lines which are parallel have same slope]
Suff
stmt2,
(3,1)
y=mx+c
1=3m+c
No info abt C
Insuff
Pick A
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Co-ordinate Geomatry
Source: Beat The GMAT — Data Sufficiency |
what is the slope of line l1
(1) as l1 || to the y=1/3*x , the slope of l1 must be the same or 1/3 sufficient
(2) we can`t construct the line using only one point (3,1) rescind 2 st
pick A
(1) as l1 || to the y=1/3*x , the slope of l1 must be the same or 1/3 sufficient
(2) we can`t construct the line using only one point (3,1) rescind 2 st
pick A
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tomada
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Selango, all your work was correct, but you chose the wrong answer. You'll kick yourself if you do that on the GMAT!
selango wrote:stmt1,
L1 is parallel to x=3y
x=3y
y=(1/3)x
L1 slope=1/3[Lines which are parallel have same slope]
Suff
stmt2,
(3,1)
y=mx+c
1=3m+c
No info abt C
Insuff
Pick B
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