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Z = |X=2|^2 and Y = |W-2|^2. If Z=Y and both X and W are

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Senior Manager
Senior Manager
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Joined: 19 Feb 2004
Posts: 415
Location: Lungi
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Kudos [?]: 9 [0], given: 0

Z = |X=2|^2 and Y = |W-2|^2. If Z=Y and both X and W are [#permalink] New post 20 Feb 2004, 04:23
This topic is locked. If you want to discuss this question please re-post it in the respective forum.

Z = |X=2|^2 and Y = |W-2|^2. If Z=Y and both X and W are decreased by 1, which of the following must be true?
a. the new value of Y is Z greater than its original value.
b. the new value of Y is greater than the new value of Z.
c. The new value of Y is smaller than its original value.
d. The new values of Y and Z are equal.
e. None of the above.
Senior Manager
Senior Manager
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Joined: 05 May 2003
Posts: 426
Location: Aus
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 [#permalink] New post 20 Feb 2004, 06:24
Should be E as we don't know the sign of the values.
  [#permalink] 20 Feb 2004, 06:24
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Z = |X=2|^2 and Y = |W-2|^2. If Z=Y and both X and W are

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