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.
xy are different from zero
[#permalink]
12 Jul 2019, 10:49
12 Jul 2019, 10:49
Expert Reply
1
Bookmarks
00:00
Question Stats:
93% (00:23) correct
6% (01:09) wrong based on 112 sessions
Hide Show timer Statistics
\(xy \neq 0\)
A)The quantity in Column A is greater.
B)The quantity in Column B is greater.
C)The two quantities are equal.
D)The relationship cannot be determined from the information given.
Quantity A |
Quantity B |
\(2 + \frac{1}{xy}\) |
\(\frac{2xy +1}{xy}\) |
A)The quantity in Column A is greater.
B)The quantity in Column B is greater.
C)The two quantities are equal.
D)The relationship cannot be determined from the information given.
Re: xy are different from zero
[#permalink]
17 Sep 2019, 07:45
17 Sep 2019, 07:45
1
1
Bookmarks
QTY A: (2xy+1)/xy can be simplified this way.
Retired Moderator
Joined: 10 Apr 2015
Posts: 6218
Given Kudos: 136
xy are different from zero
[#permalink]
06 Sep 2021, 10:23
06 Sep 2021, 10:23
1
Carcass wrote:
\(xy \neq 0\)
A)The quantity in Column A is greater.
B)The quantity in Column B is greater.
C)The two quantities are equal.
D)The relationship cannot be determined from the information given.
Quantity A |
Quantity B |
\(2 + \frac{1}{xy}\) |
\(\frac{2xy +1}{xy}\) |
A)The quantity in Column A is greater.
B)The quantity in Column B is greater.
C)The two quantities are equal.
D)The relationship cannot be determined from the information given.
Useful (and often tested) fraction property: \(\frac{a+b}{c} = \frac{a}{c} + \frac{b}{c}\)
When we apply the property to Quantity B we get:
QUANTITY B: \(\frac{2xy +1}{xy}=\frac{2xy}{xy}+\frac{1}{xy}\)
Simplify to get:
QUANTITY B: \(\frac{2xy}{xy}+\frac{1}{xy}=2+\frac{1}{xy}\)
Answer: C
