|
Author |
Message |
|
TAGS:
|
|
|
VP
Joined: 22 Nov 2007
Posts: 1108
Followers: 6
Kudos [?]:
80
[0], given: 0
|
In the rectangular coordinate system shown above, does line [#permalink]
 10 Mar 2008, 11:46
In the rectangular coordinate system shown above, does line K intersect quadrant II? (1) The slope of the line is -1/6. (2) The y-intercept of K is -6. see figure
Attachments
 figure.doc [23.5 KiB]
Downloaded 49 times
|
|
|
|
|
|
|
Senior Manager
Joined: 15 Aug 2007
Posts: 257
Schools: Chicago Booth
Followers: 1
Kudos [?]:
36
[0], given: 0
|
Re: gmatprep coordinate geo [#permalink]
10 Mar 2008, 16:28
C
You need to know both m, slope and c, y-intercept to place a line (defined by y=mx+c) in the quadrant system.
|
|
|
|
|
|
VP
Joined: 22 Nov 2007
Posts: 1108
Followers: 6
Kudos [?]:
80
[0], given: 0
|
Re: gmatprep coordinate geo [#permalink]
15 Mar 2008, 03:03
sreehari wrote: C
You need to know both m, slope and c, y-intercept to place a line (defined by y=mx+c) in the quadrant system. OA is A, since slope is negative
|
|
|
|
|
|
Senior Manager
Joined: 15 Aug 2007
Posts: 257
Schools: Chicago Booth
Followers: 1
Kudos [?]:
36
[0], given: 0
|
Re: gmatprep coordinate geo [#permalink]
15 Mar 2008, 07:27
marcodonzelli wrote: sreehari wrote: C
You need to know both m, slope and c, y-intercept to place a line (defined by y=mx+c) in the quadrant system. OA is A, since slope is negative Aah.. right, it got to cut into second quardrant somewhere!
|
|
|
|
|
|
Director
Joined: 01 May 2007
Posts: 809
Followers: 1
Kudos [?]:
37
[0], given: 0
|
Re: gmatprep coordinate geo [#permalink]
15 Apr 2008, 07:41
With A...Couldn't we have two cases with a negative slope?
Case 1) Goes from Quad 2 --> Quad 4
OR
Case 2) Goes from Quad 3 --> Quad 4 (Sloping Downward)?
|
|
|
|
|
|
Senior Manager
Joined: 24 Feb 2008
Posts: 351
Schools: UCSD ($) , UCLA, USC ($), Stanford
Followers: 67
Kudos [?]:
698
[1] , given: 2
|
Re: gmatprep coordinate geo [#permalink]
15 Apr 2008, 11:44
1
This post received
KUDOS
jimmyjamesdonkey wrote: With A...Couldn't we have two cases with a negative slope?
Case 1) Goes from Quad 2 --> Quad 4
OR
Case 2) Goes from Quad 3 --> Quad 4 (Sloping Downward)? Case 2 will still go through quadrant II - it is an infinite line. Negative slope line always goes through quadrants II and IV.
_________________
Chinese Democracy is misunderstood...at your nearest BestBuy.
Best AWA guide here: how-to-get-6-0-awa-my-guide-64327.html
|
|
|
|
|
|
Director
Joined: 01 May 2007
Posts: 809
Followers: 1
Kudos [?]:
37
[0], given: 0
|
Re: gmatprep coordinate geo [#permalink]
15 Apr 2008, 12:16
thanks...forgot...infinite!
|
|
|
|
|
|
Manager
Joined: 25 Mar 2008
Posts: 108
Followers: 1
Kudos [?]:
10
[0], given: 0
|
Re: gmatprep coordinate geo [#permalink]
15 Apr 2008, 12:43
hi
plsssssssssss
can any one clearly describe the St: 2 pls
thanks
shobuj
|
|
|
|
|
|
SVP
Joined: 04 May 2006
Posts: 1946
Schools: CBS, Kellogg
Followers: 10
Kudos [?]:
168
[0], given: 1
|
Re: gmatprep coordinate geo [#permalink]
15 Apr 2008, 21:23
shobuj wrote: hi
plsssssssssss
can any one clearly describe the St: 2 pls
thanks
shobuj 1. y-interncept of K = -6 and slope of K negative, so k goes DOWNWARD, from II to IV. You can answer the question, yes, K go through II quandrant 2. y-interncept of K = -6 and slope of K possitive, so k goes UPWARD, from III to I quandrant. You can answer the question, NO, K does NOT go throught II quandrant. So is SO. 
_________________
Find out what's new at GMAT Club - latest features and updates
|
|
|
|
|
|
Manager
Joined: 25 Mar 2008
Posts: 108
Followers: 1
Kudos [?]:
10
[0], given: 0
|
Re: gmatprep coordinate geo [#permalink]
16 Apr 2008, 04:37
Case 2 will still go through quadrant II - it is an infinite line. Negative slope line always goes through quadrants II and IV.
how can it go because if it intercept in -6 in Y axis then it can only go through 3 and 4
|
|
|
|
|
|
|
Re: gmatprep coordinate geo
[#permalink]
16 Apr 2008, 04:37
|
|
|
|
|
|
|
|
|
|
|
close
