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If S^2 > T^2 , which of the following must be true?
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18 Jul 2018, 17:11
18 Jul 2018, 17:11
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Question Stats:
61% (01:03) correct
38% (01:09) wrong based on 194 sessions
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If \(S^2 > T^2\) , which of the following must be true?
(A) \(S > T\)
(B) \(S^2 > T\)
(C) \(ST > 0\)
(D) \(|S| > |T|\)
(E) \(ST < 0\)
Kudos for R.A.E
(A) \(S > T\)
(B) \(S^2 > T\)
(C) \(ST > 0\)
(D) \(|S| > |T|\)
(E) \(ST < 0\)
Kudos for R.A.E
Re: If S^2 > T^2 , which of the following must be true?
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18 Jul 2018, 19:41
18 Jul 2018, 19:41
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Carcass wrote:
If \(S^2 > T^2\) , which of the following must be true?
(A) \(S > T\)
(B) \(S^2 > T\)
(C) \(ST > 0\)
(D) \(|S| > |T|\)
(E) \(ST < 0\)
Kudos for R.A.E
(A) \(S > T\)
(B) \(S^2 > T\)
(C) \(ST > 0\)
(D) \(|S| > |T|\)
(E) \(ST < 0\)
Kudos for R.A.E
Here,
It will be option D, since The square root of a number squared is equal to the absolute value of that number
i.e. \(\sqrt{S^2} = |S|\)
option (A) does not have to be true, if S could be negative while T is positive.
option (B) does not have to be true. because if we consider fraction
Option (C) does not have to be true because S and T could have opposite signs.
OPtion (E) does not have to be true because S and T could have the same sign.
Re: If S^2 > T^2 , which of the following must be true?
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19 Jul 2018, 12:30
19 Jul 2018, 12:30
1
Carcass wrote:
If \(S^2 > T^2\) , which of the following must be true?
(A) \(S > T\)
(B) \(S^2 > T\)
(C) \(ST > 0\)
(D) \(|S| > |T|\)
(E) \(ST < 0\)
Kudos for R.A.E
(A) \(S > T\)
(B) \(S^2 > T\)
(C) \(ST > 0\)
(D) \(|S| > |T|\)
(E) \(ST < 0\)
Kudos for R.A.E
Note: squared value is equivalent to absolute value.
The best answer is D.
