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GRE Prep Club Team Member
Joined: 20 Feb 2017
Posts: 2506
Given Kudos: 1053
GPA: 3.39
If #p# = ap^3+ bp – 1 where a and b are constants, and #-5# = 3, what
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06 May 2021, 00:25
06 May 2021, 00:25
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25% (00:25) wrong based on 4 sessions
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If #p# \(= ap^3 + bp – 1\) where \(a\) and \(b\) are constants, and #-5# = 3, what is the value of #5#?
A) 5
B) 0
C) -2
D) -3
E) -5
A) 5
B) 0
C) -2
D) -3
E) -5
Re: If #p# = ap^3+ bp – 1 where a and b are constants, and #-5# = 3, what
[#permalink]
06 May 2021, 03:09
06 May 2021, 03:09
1
#-5#
= - a125 - 5b - 1 = 3;
a125 + 5b = -4;
#5#
= (a125 + 5b) - 1;
= -4 - 1
= -5
Option E (-5)
Hit Kudos if this reply helped !:)
= - a125 - 5b - 1 = 3;
a125 + 5b = -4;
#5#
= (a125 + 5b) - 1;
= -4 - 1
= -5
Option E (-5)
Hit Kudos if this reply helped !:)
gmatclubot
Re: If #p# = ap^3+ bp – 1 where a and b are constants, and #-5# = 3, what [#permalink]
06 May 2021, 03:09
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