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# horozontal and vertical lines. coordinate geometry

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horozontal and vertical lines. coordinate geometry [#permalink]  03 Oct 2011, 22:33
horizontal and vertical lines are not expressed in the y=mx+b form. instead they are expressed in simple one variable equation.

please explain me in what form does horizontal and vertical lines are expressed.( with example problem.)

its difficult to understand mgmat explanation .
MGMAT guide 5(geometry) pg 67

thank you
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Re: horozontal and vertical lines. coordinate geometry [#permalink]  04 Oct 2011, 14:49
1
KUDOS
They are expressed in forms of following equations,

x = 5 : A line parallel to y axis, passing through point (5,0)
y = -3 :A line parallel to X axis, passing through point (0, -3)
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Re: horozontal and vertical lines. coordinate geometry [#permalink]  05 Oct 2011, 12:27
guts, it would be nice if you can give a kodus to piyatiwari that invested time and energy to help you.

Have a good day.
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Re: horozontal and vertical lines. coordinate geometry [#permalink]  05 Oct 2011, 21:56
sure, DONE. actually i am new to this forum. just now read all the rules and regulations.
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Re: horozontal and vertical lines. coordinate geometry [#permalink]  05 Oct 2011, 22:09
Great. You are welcome. I am sure you will find the forum to be a great help in your GMAT experience.
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Re: horozontal and vertical lines. coordinate geometry [#permalink]  08 Oct 2011, 13:49
Thanks guys!
Re: horozontal and vertical lines. coordinate geometry   [#permalink] 08 Oct 2011, 13:49
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