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x^2+y^2 = 0
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Updated on: 19 Oct 2017, 00:12
Updated on: 19 Oct 2017, 00:12
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Question Stats:
69% (00:31) correct
30% (00:05) wrong based on 13 sessions
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\(x^2 + y^2 = 0\)
(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
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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
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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.
