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If x is a positive integer such that x^2 + 5x 14 = 0, what is the va
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04 Aug 2022, 01:21
04 Aug 2022, 01:21
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Question Stats:
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30% (00:43) wrong based on 20 sessions
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If x is a positive integer such that x^2 + 5x − 14 = 0, what is the value of x ?
A. −7
B. −5
C. 0
D. 2
E. 5
A. −7
B. −5
C. 0
D. 2
E. 5
Part of the project: GRE QCQ & PS 3 Questions Every One DAILY Challenge - (2022)
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GRE Math Essentials (2022)
GRE Geometry Formulas
GRE - Math Book
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GRE Math Essentials (2022)
GRE Geometry Formulas
GRE - Math Book
Retired Moderator
Joined: 10 Apr 2015
Posts: 6218
Given Kudos: 136
Re: If x is a positive integer such that x^2 + 5x 14 = 0, what is the va
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04 Aug 2022, 08:42
04 Aug 2022, 08:42
1
Carcass wrote:
If x is a positive integer such that x^2 + 5x − 14 = 0, what is the value of x ?
A. −7
B. −5
C. 0
D. 2
E. 5
A. −7
B. −5
C. 0
D. 2
E. 5
Given: x² + 5x − 14 = 0,
Factor: (x + 7)(x - 2) = 0
We can conclude that EITHER x + 7 = 0 OR x - 2 = 0
If x + 7 = 0, then x = -7
If x - 2 = 0, then x = 2
We have two different solutions, but the question asks for the POSITIVE solution, which is 2
Answer: D
Cheers,
Brent
gmatclubot
Re: If x is a positive integer such that x^2 + 5x 14 = 0, what is the va [#permalink]
04 Aug 2022, 08:42
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