Find all School-related info fast with the new School-Specific MBA Forum

 It is currently 05 Jul 2015, 00:25

### 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

 Question banks Downloads My Bookmarks Reviews Important topics
Author Message
TAGS:
Senior Manager
Joined: 21 Aug 2003
Posts: 258
Location: Bangalore
Followers: 1

Kudos [?]: 4 [0], given: 0

Euqation of Line X is: 23x + 50y = 123. Which of the [#permalink]  16 Oct 2003, 01:46
00:00

Difficulty:

(N/A)

Question Stats:

0% (00:00) correct 0% (00:00) wrong based on 0 sessions
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: 3467
Followers: 61

Kudos [?]: 718 [0], given: 781

Re: PS: perpendicular lines [#permalink]  16 Oct 2003, 02:01
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: 21 Aug 2003
Posts: 258
Location: Bangalore
Followers: 1

Kudos [?]: 4 [0], given: 0

[#permalink]  17 Oct 2003, 06:04
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
[#permalink] 17 Oct 2003, 06:04
Similar topics Replies Last post
Similar
Topics:
If x/y = 2/3, then (x + y)/(x - y) = ? 4 12 May 2014, 05:28
3 If x and y are integers and x=50y + 69 6 08 Feb 2014, 06:05
2 If (4-x)/(2+x)=x, what is the value of x^2+3x-4? 11 29 Oct 2010, 09:41
6 Which of the following points is closest to line y=x? 15 21 Nov 2007, 07:14
5 If x/y =2/3, then (x-y)/x? 9 21 Oct 2005, 00:42
Display posts from previous: Sort by

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

 Question banks Downloads My Bookmarks Reviews Important topics

 Powered by phpBB © phpBB Group and phpBB SEO Kindly note that the GMAT® test is a registered trademark of the Graduate Management Admission Council®, and this site has neither been reviewed nor endorsed by GMAC®.