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# For what value of k will the sum of the roots of the

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Senior Manager
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For what value of k will the sum of the roots of the [#permalink]

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30 Jan 2004, 20:58
This topic is locked. If you want to discuss this question please re-post it in the respective forum.

For what value of k will the sum of the roots of the equation
7x^2 + (3k + 2)x + 5 + k = 0 be equal to the product of the roots?

a. (-3/4)
b. (3/4)
c. (-7/4)
d. (7/4)
e. go to bed
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Pls include reasoning along with all answer posts.
****GMAT Loco****
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Manager
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30 Jan 2004, 21:04
C) -7/4.

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Senior Manager
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30 Jan 2004, 21:07
ok wake - up////how did u get that. I didn't
_________________

Pls include reasoning along with all answer posts.
****GMAT Loco****
Este examen me conduce jodiendo loco

Kudos [?]: 26 [0], given: 0

Manager
Joined: 26 Dec 2003
Posts: 227

Kudos [?]: 3 [0], given: 0

Location: India

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30 Jan 2004, 21:13
Let p& q be the roots then w r given that p+q=p*q we know that p+q= -b/a= -3k-2/7 and p*q= c/a = 5 +k/7 solve and we get the value of k = -7/4 had enough of

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Senior Manager
Joined: 30 Aug 2003
Posts: 328

Kudos [?]: 26 [0], given: 0

Location: BACARDIVILLE

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30 Jan 2004, 21:16
idid that, and got different answer.
i'm going to bed now for sure.
_________________

Pls include reasoning along with all answer posts.
****GMAT Loco****
Este examen me conduce jodiendo loco

Kudos [?]: 26 [0], given: 0

Manager
Joined: 26 Dec 2003
Posts: 227

Kudos [?]: 3 [0], given: 0

Location: India

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30 Jan 2004, 21:17

Kudos [?]: 3 [0], given: 0

30 Jan 2004, 21:17
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# For what value of k will the sum of the roots of the

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