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x^2+5x=6
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16 Mar 2021, 06:14
16 Mar 2021, 06:14
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\(x^2+5x=6\)
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.
Kudos for the right answer and explanation
Question part of the project GRE Quantitative Reasoning Daily Challenge - (2021) EDITION
GRE - Math Book
Quantity A |
Quantity B |
\([x+6][x-1]\) |
\(1\) |
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.
Kudos for the right answer and explanation
Question part of the project GRE Quantitative Reasoning Daily Challenge - (2021) EDITION
GRE - Math Book
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Re: x^2+5x=6
[#permalink]
16 Mar 2021, 07:25
16 Mar 2021, 07:25
1
Carcass wrote:
\(x^2+5x=6\)
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 |
\([x+6][x-1]\) |
\(1\) |
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.
Col. A: \((x+6)(x-1)\)
Col. B: \(1\)
Col. A: \(x^2 + 5x - 6\)
Col. B: \(1\)
Col. A: \(x^2 + 5x\)
Col. B: \(1 + 6\)
Col. A: \(6\)
Col. B: \(7\)
Hence, option B
Re: x^2+5x=6
[#permalink]
16 Mar 2021, 08:02
16 Mar 2021, 08:02
1
X^2 + 5x = 6 Given statement ,
X^2 + 5x - 6 = 0
(x+6) (x-1)
x= - 6
or x = 1
Now
Statement A
(X+6)(X-1)
= X^2 - x + 6x - 6
= X^2 + 5x - 6
Try plugging the values x= - 6 or x =1
We get 0 & 0 in the both the cases
Hence B is the answer 1>0
Statement B > Statement A
X^2 + 5x - 6 = 0
(x+6) (x-1)
x= - 6
or x = 1
Now
Statement A
(X+6)(X-1)
= X^2 - x + 6x - 6
= X^2 + 5x - 6
Try plugging the values x= - 6 or x =1
We get 0 & 0 in the both the cases
Hence B is the answer 1>0
Statement B > Statement A
