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In the xy-plane, is point (2, -3) on line l ? (1) Point (-2,

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In the xy-plane, is point (2, -3) on line l ? (1) Point (-2, [#permalink]

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New post 28 Apr 2009, 01:55
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E

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9. In the xy-plane, is point (2, -3) on line l ?
(1) Point (-2, 3) is on line l.
(2) l is not perpendicular to the x-axis.

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Re: Strainght line............. [#permalink]

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New post 28 Apr 2009, 05:38
Answer is E.


Point (2,-3) is in the 4th Quadrant.


Statement 1 says (-2,3), which is in the 2nd Quadrant, is on line L.

Statement 2 says Line L is not perpendicular. It may or may not pass through the given point.


So, none of the conditions are enough.

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New post 28 Apr 2009, 15:31
Yes, i think additional information is needed to figure out whether (2,-3) is on the line l. Either the slope or equation of the line is required.
So E it is....

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New post 28 Apr 2009, 17:37
Agree on E, more info is needed to determine.

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Re: Strainght line.............   [#permalink] 28 Apr 2009, 17:37
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In the xy-plane, is point (2, -3) on line l ? (1) Point (-2,

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