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If x can be any of the 5 points A, B, C, D and E on a number line, the
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16 Mar 2023, 02:19
16 Mar 2023, 02:19
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41% (00:51) correct
58% (01:07) wrong based on 34 sessions
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If x can be any of the 5 points A, B, C, D and E on a number line, then for which of the following points is \(| x + 2 |\) minimum?
E
D
C
B
A
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Re: If x can be any of the 5 points A, B, C, D and E on a number line, the
[#permalink]
16 Mar 2023, 08:38
16 Mar 2023, 08:38
1
Carcass wrote:
Attachment:
GRE number line (7).jpg
If x can be any of the 5 points A, B, C, D and E on a number line, then for which of the following points is \(| x + 2 |\) minimum?
E
D
C
B
A
Can someone explain this please?
Re: If x can be any of the 5 points A, B, C, D and E on a number line, the
[#permalink]
16 Mar 2023, 12:07
16 Mar 2023, 12:07
Expert Reply
Using the concept: |๐ฅ โ ๐| => distance of ๐ฅ from ๐.|๐ฅ + 2| => |๐ฅ โ (โ2)| => This expression implies distance of ๐ฅ from (-2). We need to find, at which value of ๐ฅ (from A to E) is |๐ฅ + 2| minimum, i.e., distance of ๐ฅ from -2 is minimum.
Among the options (from A to E) B is closest to -2.
Hence, point B is the answer.
Among the options (from A to E) B is closest to -2.
Hence, point B is the answer.
