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
Track
Your Progress
Practice
Pays
Not interested in getting valuable practice questions and articles delivered to your email? No problem, unsubscribe here.
|x|+|y| or |x+y|
[#permalink]
15 Mar 2022, 02:00
15 Mar 2022, 02:00
2
Expert Reply
4
Bookmarks
00:00
Question Stats:
81% (00:44) correct
18% (01:25) wrong based on 83 sessions
Hide Show timer Statistics
\(xy<0\)
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
Quantity A |
Quantity B |
|x|+|y| |
|x+y| |
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
Re: |x|+|y| or |x+y|
[#permalink]
15 Mar 2022, 02:35
15 Mar 2022, 02:35
1
1
Bookmarks
Important properties to remember:
If xy < 0 then |x|+|y| > |x+y|
&
If xy > 0 then |x|+|y| < |x+y|
Answer A
If xy < 0 then |x|+|y| > |x+y|
&
If xy > 0 then |x|+|y| < |x+y|
Answer A
Re: |x|+|y| or |x+y|
[#permalink]
01 Apr 2022, 11:12
01 Apr 2022, 11:12
3
rx10 wrote:
Important properties to remember:
If xy < 0 then |x|+|y| > |x+y|
&
If xy > 0 then |x|+|y| < |x+y|
Answer A
If xy < 0 then |x|+|y| > |x+y|
&
If xy > 0 then |x|+|y| < |x+y|
Answer A
For all real x and y, |x| + |y| => |x + y|, so the second statement should be |x|+|y| = |x+y|, no?
