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x^2+2x-15=0
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22 May 2023, 09:43
22 May 2023, 09:43
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Question Stats:
80% (00:45) correct
20% (00:59) wrong based on 35 sessions
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\(x^2+2x-15=0\)
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.
Post A Detailed Correct Solution For The Above Questions And Get A Kudos.
Question From Our Project: Free GRE Prep Club Tests in Exchange for 20 Kudos
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Quantity A |
Quantity B |
2 |
x |
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.
Post A Detailed Correct Solution For The Above Questions And Get A Kudos.
Question From Our Project: Free GRE Prep Club Tests in Exchange for 20 Kudos
\(\Longrightarrow\) Cracking the GRE Premium
\(\Longrightarrow\) GRE Math Essentials - A most comprehensive handout!!
Re: x^2+2x-15=0
[#permalink]
28 May 2023, 10:32
28 May 2023, 10:32
1
Expert Reply
\(x^2+2x-15=0\)
Our roots are
(x+5) So x=-5
(x-3) So x=3
X can be either -5 so < 2
X can also be +3 So >2
D is the answer
Our roots are
(x+5) So x=-5
(x-3) So x=3
X can be either -5 so < 2
X can also be +3 So >2
D is the answer
Re: x^2+2x-15=0
[#permalink]
04 Sep 2023, 02:13
04 Sep 2023, 02:13
1
\(x^2+2x-15=0\)
\(x^2+5x-3x-15=0\)
\(
x(x+5)-3(x+5)=0\)
\((x-3)(x+5)=0\)
Our roots are \(x=3\) or \(x=-5\)
When \(x=3, B > A\)
When \(x=-5, A > B\)
The correct answer is D.
\(x^2+5x-3x-15=0\)
\(
x(x+5)-3(x+5)=0\)
\((x-3)(x+5)=0\)
Our roots are \(x=3\) or \(x=-5\)
When \(x=3, B > A\)
When \(x=-5, A > B\)
The correct answer is D.
