Check GMAT Club Decision Tracker for the Latest School Decision Releases https://gmatclub.com/AppTrack

 It is currently 27 May 2017, 21:58

GMAT Club Daily Prep

Thank you for using the timer - this advanced tool can estimate your performance and suggest more practice questions. We have subscribed you to Daily Prep Questions via email.

Customized
for You

we will pick new questions that match your level based on your Timer History

Track

every week, we’ll send you an estimated GMAT score based on your performance

Practice
Pays

we will pick new questions that match your level based on your Timer History

Events & Promotions

Events & Promotions in June
Open Detailed Calendar

Euqation of Line X is: 23x + 50y = 123. Which of the

Author Message
Senior Manager
Joined: 22 Aug 2003
Posts: 257
Location: Bangalore
Followers: 1

Kudos [?]: 13 [0], given: 0

Euqation of Line X is: 23x + 50y = 123. Which of the [#permalink]

Show Tags

16 Oct 2003, 02:46
00:00

Difficulty:

(N/A)

Question Stats:

0% (00:00) correct 0% (00:00) wrong based on 0 sessions

HideShow timer Statistics

This topic is locked. If you want to discuss this question please re-post it in the respective forum.

Euqation of Line X is: 23x + 50y = 123.
Which of the following lines is perpendicular to line X:

A) 23x - 50y - 123=0
B) 50x + 23y +123=0
C) 50x -23y + 123=0
D) 100x -23y - 123=0
E) 100x +23y - 123=0
CEO
Joined: 15 Aug 2003
Posts: 3454
Followers: 67

Kudos [?]: 874 [0], given: 781

Show Tags

16 Oct 2003, 03:01
Vicky wrote:
Euqation of Line X is: 23x + 50y = 123.
Which of the following lines is perpendicular to line X:

A) 23x - 50y - 123=0
B) 50x + 23y +123=0
C) 50x -23y + 123=0
D) 100x -23y - 123=0
E) 100x +23y - 123=0

C

slope of line X = -23/50

slope of required line = 50/23
Senior Manager
Joined: 22 Aug 2003
Posts: 257
Location: Bangalore
Followers: 1

Kudos [?]: 13 [0], given: 0

Show Tags

17 Oct 2003, 07:04
thats correct.
Slopes of pependicular lines are negative reciprocals of each other.
i.e. if m & n are slopes of two lines perpendicular to each other
then m*n = -1
17 Oct 2003, 07:04
Display posts from previous: Sort by