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  • Typical Day of a UCLA MBA Student - Recording of Webinar with UCLA Adcom and Student

     December 14, 2018

     December 14, 2018

     10:00 PM PST

     11:00 PM PST

    Carolyn and Brett - nicely explained what is the typical day of a UCLA student. I am posting below recording of the webinar for those who could't attend this session.
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    Aiming to score 760+? Attend this FREE session to learn how to Define your GMAT Strategy, Create your Study Plan and Master the Core Skills to excel on the GMAT.

Find the value

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Find the value  [#permalink]

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New post 14 Aug 2018, 20:23
00:00
A
B
C
D
E

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(N/A)

Question Stats:

100% (00:32) correct 0% (00:00) wrong based on 3 sessions

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Find the value of x = (-5^2 - 5) + (2*3*(-5))

a) -10
b) 60
c) 50
d) -60
e) 10
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Re: Find the value  [#permalink]

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New post 14 Aug 2018, 20:46
anuishp wrote:
Find the value of x = (-5^2 - 5) + (2*3*(-5))

a) -10
b) 60
c) 50
d) -60
e) 10



x=[(-5)^2 -5] +(2*3*-5)
= (25-5)+(6*-5)
=20-30
=-10

Ans A.
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Re: Find the value  [#permalink]

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New post 14 Aug 2018, 20:50
anuishp wrote:
Find the value of x = (-5^2 - 5) + (2*3*(-5))

a) -10
b) 60
c) 50
d) -60
e) 10


anuishp pls update OA and source of the question, if possible.
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Re: Find the value  [#permalink]

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New post 14 Aug 2018, 20:57
Princ wrote:
anuishp wrote:
Find the value of x = (-5^2 - 5) + (2*3*(-5))

a) -10
b) 60
c) 50
d) -60
e) 10



This question is made up. It is very similar to a problem I saw on the official GMAT, with the main kicker being the -5^2 ... I don't have the OA and I was stumped by this question on the test
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Re: Find the value  [#permalink]

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New post 14 Aug 2018, 21:06
1
x = (-5^2-5) +(2*3(-5))
= (-25-5) +(-30)
= -30-30
= -60
Answer D

Trap (-5)^2 = (-5)*(-5) = 25, but -5^2 = -(5*5)= -25

anuishp wrote:
Find the value of x = (-5^2 - 5) + (2*3*(-5))

a) -10
b) 60
c) 50
d) -60
e) 10

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Find the value  [#permalink]

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New post 14 Aug 2018, 21:39
[quote="anuishp"]Find the value of [m]x = (-5^2 - 5) + (2*3*(-5)[/m]

a) -10
b) 60
c) 50
d) -60
e) 10[/quote]

[m]x = (-5^2 - 5) + (2*3*(-5))[/m]

Or, [m]x = (a^2 + a) + (2*3*(a))[/m] If u take a = -5 Here it is -(a)^2+a + 2*3*a

Or, [m]x = (a^2 + a+ 6a)[/m]

Or, [m]x = (a^2 +7a)[/m]

Or, [m]x = a(a + 7)[/m]

Or, [m]x = -5(-5 + 7)[/m]

[b][color=#00a651]Or, [m]x = -10[/m], Answer must be (A)[/color][/b]
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Find the value &nbs [#permalink] 14 Aug 2018, 21:39
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