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GRE Practice Question-If |1 - x| = 6 and |2y - 6| = 10
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30 Apr 2015, 14:44
30 Apr 2015, 14:44
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Question Stats:
62% (01:16) correct
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If |1 - x| = 6 and |2y - 6| = 10, which of the following tcould be the value of xy?
Indicate ALL such values.
A) -40
B) -14
C) -10
D) 56
?????? Solve each absolute value
Indicate ALL such values.
A) -40
B) -14
C) -10
D) 56
?????? Solve each absolute value
Re: GRE Practice Question-If |1 - x| = 6 and |2y - 6| = 10
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08 Dec 2015, 09:16
08 Dec 2015, 09:16
1
Answer: A,B,D
Re: GRE Practice Question-If |1 - x| = 6 and |2y - 6| = 10
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09 Jun 2016, 13:41
09 Jun 2016, 13:41
1
Osira wrote:
If |1 - x| = 6 and |2y - 6| = 10, which of the following tcould be the value of xy?
Indicate ALL such values.
A) -40
B) -14
C) -10
D) 56
Indicate ALL such values.
A) -40
B) -14
C) -10
D) 56
Given: |1 - x| = 6
So, EITHER 1 - x = 6 OR 1 - x = -6
If 1 - x = 6, then x = -5
If 1 - x = -6, then x = 7
Given: |2y - 6| = 10
So, EITHER 2y - 6 = 10 OR 2y - 6 = -10
If 2y - 6 = 10, then y = 8
If 2y - 6 = -10, then y = -2
So, let's look at all possible values of xy
xy = (-5)(8) = -40
xy = (-5)(-2) = 10
xy = (7)(8) = 56
xy = (7)(-2) = -14
Answer: A, B, D
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Re: GRE Practice Question-If |1 - x| = 6 and |2y - 6| = 10
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02 Jan 2018, 15:05
02 Jan 2018, 15:05
1
We need more challenging questions :D
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What you think, you become.
Re: GRE Practice Question-If |1 - x| = 6 and |2y - 6| = 10
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04 Jan 2018, 02:40
04 Jan 2018, 02:40
1
Expert Reply
Re: GRE Practice Question-If |1 - x| = 6 and |2y - 6| = 10
[#permalink]
07 Jan 2018, 06:03
07 Jan 2018, 06:03
1
1-x=6 => x=-5 2y-6=10 => y=8
or or
1-x=-6 => x=7 2y -6=-10 => y=-2
so, xy=-40, 10, 56 or -14
or or
1-x=-6 => x=7 2y -6=-10 => y=-2
so, xy=-40, 10, 56 or -14
Re: GRE Practice Question-If |1 - x| = 6 and |2y - 6| = 10
[#permalink]
26 Jul 2023, 18:25
26 Jul 2023, 18:25
Osira wrote:
If |1 - x| = 6 and |2y - 6| = 10, which of the following tcould be the value of xy?
A) -40
B) -14
C) -10
D) 56
A) -40
B) -14
C) -10
D) 56
1-x=6
x=-5
1-x=-6
x=7
2y-6=10
y=8
2y-6=-10
y=-2
xy could be -5*8=-40, -5*-2=10, 7*8=56, 7*-2=-14
Hence, A, B, D
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gmatclubot
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