Last visit was: 22 Nov 2024, 05:03 It is currently 22 Nov 2024, 05:03
Decision Tracker
My Rewards
New comers' posts
New posts
Unanswered

Close

GRE Prep 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 GRE 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.

Go to My Error Log Learn more
Close

Request Expert Reply

Confirm Cancel
PREVIOUS TOPIC
NEXT TOPIC

sqrt of x^2+2x+1

Tags :
Find Similar Topics  About  Add a Tag

Show Tags
Hide Tags

User avatar
D
Carcass
Verbal Expert
Joined: 18 Apr 2015
Posts: 30003
Own Kudos [?]: 36350 [4]
Given Kudos: 25927
Send PM
sqrt of x^2+2x+1 [#permalink] New post   04 Apr 2022, 02:00
Expert Reply
4
Bookmarks
00:00

Question Stats:

45% (00:39) correct 54% (01:01) wrong based on 66 sessions

Hide Show timer Statistics

Quantity A
Quantity B
\(\sqrt{x^2+2x+1}\)
\( |x+1|\)



A. Quantity A is greater
B. Quantity B is greater
C. The two quantities are equal
D. The relationship cannot be determined from the information given


ShowHide Answer
Official Answer
C
User avatar
D
rx10
Retired Moderator
Joined: 02 Dec 2020
Posts: 1831
Own Kudos [?]: 2146 [0]
Given Kudos: 140
GRE 1: Q168 V157

GRE 2: Q167 V161
Send PM
Re: sqrt of x^2+2x+1 [#permalink] New post   06 Apr 2022, 19:47
For any values of \(x\), both the quantities will remain the same.

Qt A = Qt B

Answer \(C\)
User avatar
B
kapil1
Manager
Manager
Joined: 09 Nov 2018
Posts: 88
Own Kudos [?]: 95 [1]
Given Kudos: 0
Send PM
Re: sqrt of x^2+2x+1 [#permalink] New post   07 Apr 2022, 04:25
1
It is known that √x^2 = |x|

Quantity A: √(x^2 + 2x + 1) = √(x+1)^2 = |(x+1)|

Both the quantities are equal.

Key takeaway: √x^2 = |x|
avatar
B
Surbhee18
Intern
Intern
Joined: 14 Nov 2021
Posts: 3
Own Kudos [?]: 5 [0]
Given Kudos: 3
Send PM
sqrt of x^2+2x+1 [#permalink] New post   31 May 2022, 03:48
The answer shouldn’t b D? Please explain

Thank You
Surbhee
User avatar
D
Carcass
Verbal Expert
Joined: 18 Apr 2015
Posts: 30003
Own Kudos [?]: 36350 [0]
Given Kudos: 25927
Send PM
Re: sqrt of x^2+2x+1 [#permalink] New post   31 May 2022, 08:53
Expert Reply
Surbhee18 wrote:
The answer shouldn’t b D? Please explain

Thank You
Surbhee


Just the explanation above your reply tells you that the two quantities are equal

Thre is not so much to add the above sir

Posted from my mobile device
User avatar
D
rx10
Retired Moderator
Joined: 02 Dec 2020
Posts: 1831
Own Kudos [?]: 2146 [1]
Given Kudos: 140
GRE 1: Q168 V157

GRE 2: Q167 V161
Send PM
Re: sqrt of x^2+2x+1 [#permalink] New post   20 Jun 2022, 02:42
1
You can try any values for \(x\) and both the quantities will remain the same.
Surbhee18 wrote:
The answer shouldn’t b D? Please explain

Thank You
Surbhee
Prep Club for GRE Bot
gmatclubot
Re: sqrt of x^2+2x+1 [#permalink]
20 Jun 2022, 02:42
Moderators:
adewale223
GRE Instructor
84 posts
bronaugust
GRE Forum Moderator
37 posts
BrushMyQuant
Moderator
1111 posts
VibhuAnurag
GRE Instructor
234 posts

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

Main navigation

Partners

GRE Resources

www.ets.org/gre | About | Terms and Conditions and Privacy Policy | Prep Club for GRE Rules | Contact