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Not interested in getting valuable practice questions and articles delivered to your email? No problem, unsubscribe here.  If mx + qy − nx − py = 0, p − q = 2, and y/x = -1/3, then which of the

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Math Expert V
Joined: 02 Sep 2009
Posts: 58335
If mx + qy − nx − py = 0, p − q = 2, and y/x = -1/3, then which of the  [#permalink]

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Difficulty:   45% (medium)

Question Stats: 55% (02:15) correct 45% (02:02) wrong based on 22 sessions

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If $$mx + qy − nx − py = 0$$, $$p − q = 2$$, and $$\frac{y}{x} = -\frac{1}{3}$$, then which of the following is true?

A. n – m = 2/3

B. n – m = -2/3

C. m + n = 2/3

D. m + n = 3/2

E. m + n = -3/2

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NUS School Moderator V
Joined: 18 Jul 2018
Posts: 1028
Location: India
Concentration: Finance, Marketing
WE: Engineering (Energy and Utilities)
Re: If mx + qy − nx − py = 0, p − q = 2, and y/x = -1/3, then which of the  [#permalink]

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Re-arranging the terms gives, x(m-n)-y(p-q) = 0
Given p-q = 2
x(m-n) = 2y
y/x = m-n/2
-1/3 = m-n/2
m-n = -2/3
or n-m = 2/3

A is the answer.
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Director  G
Joined: 09 Mar 2018
Posts: 997
Location: India
Re: If mx + qy − nx − py = 0, p − q = 2, and y/x = -1/3, then which of the  [#permalink]

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Bunuel wrote:
If $$mx + qy − nx − py = 0$$, $$p − q = 2$$, and $$y/x = -\frac{1}{3}$$, then which of the following is true?

A. n – m = 2/3

B. n – m = -2/3

C. m + n = 2/3

D. m + n = 3/2

E. m + n = -3/2

mx -nx -py +qy = 0

x(m-n) - y(p-q) = 0
x(m-n) = 2y
y/x = (m-n)/2

y/x = -1/3
m-n = -2/3
n-m = 2/3

A
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Many of life's failures happen with people who do not realize how close they were to success when they gave up. Re: If mx + qy − nx − py = 0, p − q = 2, and y/x = -1/3, then which of the   [#permalink] 05 Feb 2019, 03:12
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If mx + qy − nx − py = 0, p − q = 2, and y/x = -1/3, then which of the

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