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12 Nov 2018, 01:38
Kudos
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D
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
5%
(low)
Question Stats:
92% (00:50) correct
8%
(00:56)
wrong
based on 112
sessions
History
Date
Time
Result
Not Attempted Yet
If \(\frac{x^2 + 5x + 6}{x + 2} = 5\), what is the value of x + 5 ?
A. 2
B. 3
C. 5
D. 7
E. 10
A. 2
B. 3
C. 5
D. 7
E. 10
Archit3110
Updated on: 12 Nov 2018, 21:44
Originally posted by Archit3110 on 12 Nov 2018, 02:53.
Last edited by Archit3110 on 12 Nov 2018, 21:44, edited 3 times in total.
Last edited by Archit3110 on 12 Nov 2018, 21:44, edited 3 times in total.
Kudos
Bookmarks
Bunuel
upon solving for eqn x^2 + 5x + 6/x + 2[/fraction] = 5[/m]
we get x= +2
x+5= 7 , D would be correct...
12 Nov 2018, 11:22
Kudos
Bookmarks
Archit3110
Archit3110
Take the values for "x" and put them back into the original equation. Upon doing so you'll find that (-2+2) will equal 0; 0 in the denominator is not allowed on the GMAT as it is undefined. Therefore, the only value of "x" that is allowed is 2.
Answer choice D is correct.
