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Explain the difference in meaning between |-3| and -3Asked by Raid1
Explain the difference in meaning between |-3| and -3
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Answered by
oobleck
-3 means the number 3 units to the left of zero
|-3| just means how far away from zero 3 is, regardless of direction.
|-3| = 3
You would do well just always to remember just what the definition of |x| is:
|x| = x if x >= 0
|x| = -x if x < 0
|-3| just means how far away from zero 3 is, regardless of direction.
|-3| = 3
You would do well just always to remember just what the definition of |x| is:
|x| = x if x >= 0
|x| = -x if x < 0
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