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7x^6y^5 > 0, and 7x^5y^6 < 0.

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7x^6y^5 > 0, and 7x^5y^6 < 0. [#permalink] New post   18 Jul 2022, 16:03
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\(7x^6y^5 > 0\), and \(7x^5y^6 < 0.\)


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

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B
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arjunbhat04
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Re: 7x^6y^5 > 0, and 7x^5y^6 < 0. [#permalink] New post   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
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Re: 7x^6y^5 > 0, and 7x^5y^6 < 0. [#permalink] New post   21 Jul 2022, 01:10
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\(7x^6y^5 > 0\), 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
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Re: 7x^6y^5 > 0, and 7x^5y^6 < 0. [#permalink]
21 Jul 2022, 01:10
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