Summer is Coming! Join the Game of Timers Competition to Win Epic Prizes. Registration is Open. Game starts Mon July 1st.

It is currently 18 Jul 2019, 00:12

Close

GMAT Club Daily Prep

Thank you for using the timer - this advanced tool can estimate your performance and suggest more practice questions. We have subscribed you to Daily Prep Questions via email.

Customized
for You

we will pick new questions that match your level based on your Timer History

Track
Your Progress

every week, we’ll send you an estimated GMAT score based on your performance

Practice
Pays

we will pick new questions that match your level based on your Timer History

Not interested in getting valuable practice questions and articles delivered to your email? No problem, unsubscribe here.

Close

Request Expert Reply

Confirm Cancel

If x = -5/8 and y = -1/2, what is the value of the expression -2x – y^

  new topic post reply Question banks Downloads My Bookmarks Reviews Important topics  
Author Message
TAGS:

Hide Tags

Find Similar Topics 
Math Expert
User avatar
V
Joined: 02 Sep 2009
Posts: 56272
If x = -5/8 and y = -1/2, what is the value of the expression -2x – y^  [#permalink]

Show Tags

New post Updated on: 06 Sep 2018, 11:39
00:00
A
B
C
D
E

Difficulty:

  5% (low)

Question Stats:

88% (00:43) correct 12% (00:49) wrong based on 577 sessions

HideShow timer Statistics



Originally posted by Bunuel on 23 Jun 2016, 11:44.
Last edited by carcass on 06 Sep 2018, 11:39, edited 1 time in total.
Edited by Carcass
Board of Directors
User avatar
P
Status: QA & VA Forum Moderator
Joined: 11 Jun 2011
Posts: 4512
Location: India
GPA: 3.5
WE: Business Development (Commercial Banking)
GMAT ToolKit User
Re: If x = -5/8 and y = -1/2, what is the value of the expression -2x – y^  [#permalink]

Show Tags

New post 23 Jun 2016, 11:55
AbdurRakib wrote:
If x=\(\frac{-5}{8}\) and y=\(\frac{-1}{2}\),what is the value of the expression -2x-\(y^2\)?
A. \(\frac{-3}{2}\)
B. ‒1
C. 1
D. \(\frac{3}{2}\)

E. \(\frac{7}{4}\)


OG Q 2017(Book Question: 19)


\(-2x\) \(-\) \(y^2\)

= \(-2(\frac{-5}{8})\) \(-\) \((-1/2)^2\)

= \(\frac{5}{4}\) \(-\) \(\frac{1}{4}\)

= 1

Answer will be (C)

_________________
Thanks and Regards

Abhishek....

PLEASE FOLLOW THE RULES FOR POSTING IN QA AND VA FORUM AND USE SEARCH FUNCTION BEFORE POSTING NEW QUESTIONS

How to use Search Function in GMAT Club | Rules for Posting in QA forum | Writing Mathematical Formulas |Rules for Posting in VA forum | Request Expert's Reply ( VA Forum Only )
Director
Director
User avatar
V
Joined: 04 Dec 2015
Posts: 745
Location: India
Concentration: Technology, Strategy
WE: Information Technology (Consulting)
GMAT ToolKit User
Re: If x = -5/8 and y = -1/2, what is the value of the expression -2x – y^  [#permalink]

Show Tags

New post 24 Jun 2016, 03:02
2
x = -5/8
y = -1/2
Value of the expression -2x - y^2 = -2 (-5/8) - (-1/2)^2
= 10/8 - (1/4)
= 5/4 - 1/4
= 5-1 / 4
= 4/4 = 1 (C) .. Answer is C...

Please, consider giving kudos if you find my answer helpful in any way :) :good :thumbup:
Math Expert
User avatar
V
Joined: 02 Sep 2009
Posts: 56272
Re: If x = -5/8 and y = -1/2, what is the value of the expression -2x – y^  [#permalink]

Show Tags

New post 03 Jul 2016, 11:42
Intern
Intern
User avatar
Joined: 20 Jan 2016
Posts: 43
GMAT 1: 600 Q47 V26
Re: If x = -5/8 and y = -1/2, what is the value of the expression -2x – y^  [#permalink]

Show Tags

New post 03 Jul 2016, 11:44
-2X- y^2
-2x-5/8 - (1/2)^2
5/4-1/4
1

C correct


Sent from my iPhone using GMAT Club Forum mobile app
Intern
Intern
avatar
B
Joined: 08 Oct 2015
Posts: 2
Location: Ghana
GPA: 3.6
Re: If x = -5/8 and y = -1/2, what is the value of the expression -2x – y^  [#permalink]

Show Tags

New post 05 Jul 2016, 03:13
x = -5/8 and y = -1/2

==> -2(-5/8) - (1/2)^2 = 5/4 - 1/4 = 1

Ans: C :lol:
Manager
Manager
User avatar
S
Status: On a 600-long battle
Joined: 22 Apr 2016
Posts: 136
Location: Hungary
Concentration: Accounting, Leadership
Schools: Erasmus '19
GMAT 1: 410 Q18 V27
GMAT 2: 490 Q35 V23
GMAT ToolKit User
Re: If x = -5/8 and y = -1/2, what is the value of the expression -2x – y^  [#permalink]

Show Tags

New post 12 Apr 2017, 23:12
Bunuel wrote:
If x = -5/8 and y = -1/2, what is the value of the expression -2x – y^2?

A) -3/2
B) -1
C) 1
D) 3/2
E) 7/4



Replacing x with \(x=-\cfrac { 5 }{ 8 }\) and y with\(y=-\cfrac { 1 }{ 2 }\) in the expression given:

\(-2x-{ y }^{ 2 }=\\ -2\left( -\cfrac { 5 }{ 8 } \right) -{ \left( -\cfrac { 1 }{ 2 } \right) }^{ 2 }=\\ \cfrac { 5 }{ 4 } -\cfrac { 1 }{ 4 } =\\ \cfrac { 4 }{ 4 } =\\ 1\)
_________________
"When the going gets tough, the tough gets going!"

|Welcoming tips/suggestions/advices (you name it) to help me achieve a 600|
Target Test Prep Representative
User avatar
G
Status: Head GMAT Instructor
Affiliations: Target Test Prep
Joined: 04 Mar 2011
Posts: 2823
Re: If x = -5/8 and y = -1/2, what is the value of the expression -2x – y^  [#permalink]

Show Tags

New post 31 May 2018, 16:09
Bunuel wrote:
If x = -5/8 and y = -1/2,what is the value of the expression -2x - y^2?

A. \(-\frac{3}{2}\)

B. ‒1

C. 1

D. \(\frac{3}{2}\)

E. \(\frac{7}{4}\)


Substituting the given values into the expression, we have:

-2(-5/8) - (-1/2)^2

10/8 - 1/4 = 5/4 - 1/4 = 4/4 = 1

Answer: C
_________________

Jeffrey Miller

Head of GMAT Instruction

Jeff@TargetTestPrep.com
TTP - Target Test Prep Logo
122 Reviews

5-star rated online GMAT quant
self study course

See why Target Test Prep is the top rated GMAT quant course on GMAT Club. Read Our Reviews

If you find one of my posts helpful, please take a moment to click on the "Kudos" button.

Manager
Manager
User avatar
G
Joined: 06 Sep 2018
Posts: 173
Location: Pakistan
Concentration: Finance, Operations
GPA: 2.87
WE: Engineering (Other)
GMAT ToolKit User Premium Member Reviews Badge
Re: If x = -5/8 and y = -1/2, what is the value of the expression -2x – y^  [#permalink]

Show Tags

New post 06 Sep 2018, 09:25
\(-2(\frac{-5}{8})-(\frac{-1}{2})^2\)
\(\frac{10}{8}-\frac{1}{4}\)
\(\frac{8}{8}\)
\(1\)

Answer C
_________________
Hitting Kudos is the best way of appreciation. :)

Eric Thomas, "When you want to succeed as bad as you want to breathe, then you'll be successful."
GMAT Club Bot
Re: If x = -5/8 and y = -1/2, what is the value of the expression -2x – y^   [#permalink] 06 Sep 2018, 09:25
Display posts from previous: Sort by

If x = -5/8 and y = -1/2, what is the value of the expression -2x – y^

  new topic post reply Question banks Downloads My Bookmarks Reviews Important topics  





cron

Powered by phpBB © phpBB Group | Emoji artwork provided by EmojiOne