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x and y are integers such that |x|(y) + 9 < 0 and |y| ≤ 1.
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08 Aug 2018, 16:47
08 Aug 2018, 16:47
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63% (01:59) correct
36% (01:31) wrong based on 163 sessions
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x and y are integers such that \(|x|(y) + 9 < 0\) and \(|y| ≤ 1\).
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.
Kudos for R.A.E
Quantity A |
Quantity B |
x |
-9 |
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.
Kudos for R.A.E
Re: x and y are integers such that |x|(y) + 9 < 0 and |y| ≤ 1.
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11 Aug 2018, 12:23
11 Aug 2018, 12:23
3
Here we can quickly find an answer, which would help during the actual test.
Let y = -1, so we get a negative and a positive term on the left side.
Then test x with a very large positive and a very large negative value:
x = 1000:
|1000|(-1) + 9 < 0
True
x = -1000
|-1000|(-1) + 9 < 0
True.
So x can be bigger or smaller than -9. So the answer is D.
Let y = -1, so we get a negative and a positive term on the left side.
Then test x with a very large positive and a very large negative value:
x = 1000:
|1000|(-1) + 9 < 0
True
x = -1000
|-1000|(-1) + 9 < 0
True.
So x can be bigger or smaller than -9. So the answer is D.
Re: x and y are integers such that |x|(y) + 9 < 0 and |y| ≤ 1.
[#permalink]
21 Apr 2020, 21:30
21 Apr 2020, 21:30
1
Romang67 wrote:
Here we can quickly find an answer, which would help during the actual test.
Let y = -1, so we get a negative and a positive term on the left side.
Then test x with a very large positive and a very large negative value:
x = 1000:
|1000|(-1) + 9 < 0
True
x = -1000
|-1000|(-1) + 9 < 0
True.
So x can be bigger or smaller than -9. So the answer is D.
Let y = -1, so we get a negative and a positive term on the left side.
Then test x with a very large positive and a very large negative value:
x = 1000:
|1000|(-1) + 9 < 0
True
x = -1000
|-1000|(-1) + 9 < 0
True.
So x can be bigger or smaller than -9. So the answer is D.
Just like some questions where values like -1 , 0 , 1 can be used to solve, can very large positive and negative numbers be used like you mentioned above in similar questions, because this looks a fast and easy way
