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# S99-20

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Math Expert
Joined: 02 Sep 2009
Posts: 94372
Own Kudos [?]: 641627 [7]
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Math Expert
Joined: 02 Sep 2009
Posts: 94372
Own Kudos [?]: 641627 [0]
Given Kudos: 85667
Intern
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Manager
Joined: 27 May 2016
Posts: 65
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Location: India
Concentration: Finance, Strategy
GMAT 1: 690 Q49 V34
GPA: 3.2
WE:Engineering (Consulting)
The best method to solve this is by drawing the possible lines(2 for line m and 2 for line k) on the co-ordinate plane, you can easily spot the answer.
Took me less than a minute to solve this.
Good question though!
Intern
Joined: 13 Nov 2019
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i didnt understand a thing
Math Expert
Joined: 02 Sep 2009
Posts: 94372
Own Kudos [?]: 641627 [0]
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i didnt understand a thing

You can check alternate solutions here: https://gmatclub.com/forum/two-lines-k- ... 23133.html

Hope it helps.
Manager
Joined: 22 Sep 2020
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Location: India
Schools: Kelley (A)
GMAT 1: 680 Q50 V31
GMAT 2: 700 Q49 V36
GRE 1: Q166 V157
GPA: 3.4
I just have a silly doubt regarding the slope calculation in this question .

You have written slope = x-0/0-y.

But if we go by conventional methods, isn't slope = rise/run i.e y2-y1 / x2-x1.

Am I missing something?
I am really confused about the slope now.
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Joined: 09 Sep 2013
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