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3x2 - 27 = 0
[#permalink]
11 Jul 2022, 03:35
11 Jul 2022, 03:35
Expert Reply
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Question Stats:
88% (00:23) correct
11% (00:40) wrong based on 9 sessions
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\(3x^2 − 27 = 0\)
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 |
the positive value of x |
3 |
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
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Re: 3x2 - 27 = 0
[#permalink]
11 Jul 2022, 06:49
11 Jul 2022, 06:49
1
Carcass wrote:
\(3x^2 − 27 = 0\)
[/textarea]
[/b]
Quantity A |
Quantity B |
the positive value of x |
3 |
[/textarea]
[/b]
Given: \(3x^2 − 27 = 0\)
Factor: \(3(x^2 − 9) = 0\)
Factor more: \(3(x+3)(x-3) = 0\)
So, EITHER \(x +3 = 0\) OR \(x -3 = 0\), which means \(x = -3\) OR \(x = 3\)
We get:
QUANTITY A: \(3\)
QUANTITY B: \(3\)
Answer: C
gmatclubot
Re: 3x2 - 27 = 0 [#permalink]
11 Jul 2022, 06:49
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