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7x^6y^5 > 0, and 7x^5y^6 < 0.
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18 Jul 2022, 16:03
18 Jul 2022, 16:03
Expert Reply
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Question Stats:
65% (00:34) correct
34% (01:36) wrong based on 23 sessions
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\(7x^6y^5 > 0\), and \(7x^5y^6 < 0.\)
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 |
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
Part of the project: GRE QCQ & PS 3 Questions Every One DAILY Challenge - (2022)
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GRE Math Essentials (2022)
GRE Geometry Formulas for a Q170
GRE - Math Book
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GRE Math Essentials (2022)
GRE Geometry Formulas for a Q170
GRE - Math Book
Re: 7x^6y^5 > 0, and 7x^5y^6 < 0.
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20 Jul 2022, 05:33
20 Jul 2022, 05:33
dividing 7x^5y^5 on both the quantities we get x>0 and y<0, ans should be A. correct me if i'm wrong
Re: 7x^6y^5 > 0, and 7x^5y^6 < 0.
[#permalink]
21 Jul 2022, 01:10
21 Jul 2022, 01:10
1
Expert Reply
\(7x^6y^5 > 0\), and \(7x^5y^6 < 0.\)
The first for being > 0 x is always positive because raised to an even power
and y must be a positive number
7*positive * positive >0
THE SECOND
is <0
7* negative * positive < 0
So y is positive, and x is negative.
answer must be B
The first for being > 0 x is always positive because raised to an even power
and y must be a positive number
7*positive * positive >0
THE SECOND
is <0
7* negative * positive < 0
So y is positive, and x is negative.
answer must be B
