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^2+y^2 = 0
[#permalink]
Updated on: 19 Oct 2017, 00:12
Updated on: 19 Oct 2017, 00:12
1
Bookmarks
00:00
Question Stats:
76% (00:30) correct
23% (00:05) wrong based on 17 sessions
Hide Show timer Statistics
\(x^2 + y^2 = 0\)
(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 |
x |
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.
Originally posted by san on 18 Oct 2017, 21:24.
Last edited by IlCreatore on 19 Oct 2017, 00:12, edited 4 times in total.
Last edited by IlCreatore on 19 Oct 2017, 00:12, edited 4 times in total.
Renamed the topic and edited the question.
Re: Squares
[#permalink]
18 Oct 2017, 22:42
18 Oct 2017, 22:42
san wrote:
x^2+y^2 = 0
Qty A: x Qty B:0
Qty A: x Qty B:0
Please follow the rules when posting a question: rules-for-posting-please-read-this-before-posting-1083.html
Re: x^2+y^2 = 0
[#permalink]
18 Oct 2017, 22:45
18 Oct 2017, 22:45
2
san wrote:
x^2 + y^2 = 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 |
x |
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.
The square of a number is always non-negative, so 0 or positive.
So, we have that the sum of two non-negative values is 0, which is only possible if both numbers are 0.
x^2 = y^2 = 0;
x = y = 0.
Answer: C.
