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x2 + bx + 72 = 0 has two distinct integer roots; how many values are p

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Senior Manager
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Joined: 29 Nov 2018
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Concentration: Marketing, Strategy
x2 + bx + 72 = 0 has two distinct integer roots; how many values are p  [#permalink]

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New post 30 Dec 2018, 14:57
2
3
00:00
A
B
C
D
E

Difficulty:

  55% (hard)

Question Stats:

38% (01:55) correct 62% (01:11) wrong based on 13 sessions

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x^2 + bx + 72 = 0 has two distinct integer roots; how many values are possible for 'b'?

A. 3
B. 12
C. 6
D. 24
E. 8


If you liked the question, please do hit the kudos button :)
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Joined: 02 Sep 2009
Posts: 58434
Re: x2 + bx + 72 = 0 has two distinct integer roots; how many values are p  [#permalink]

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New post 31 Dec 2018, 00:48
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Re: x2 + bx + 72 = 0 has two distinct integer roots; how many values are p  [#permalink]

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New post 31 Dec 2018, 04:19
cfc198 wrote:
x^2 + bx + 72 = 0 has two distinct integer roots; how many values are possible for 'b'?

A. 3
B. 12
C. 6
D. 24
E. 8


If you liked the question, please do hit the kudos button :)


[quote="cfc198"]x^2 + bx + 72 = 0

72= 2^3 * 3^2 = (3+1)*(2+1) = 4*3 =12
IMO B
GMAT Club Bot
Re: x2 + bx + 72 = 0 has two distinct integer roots; how many values are p   [#permalink] 31 Dec 2018, 04:19
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x2 + bx + 72 = 0 has two distinct integer roots; how many values are p

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