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DETERMINING THE SIGN OF ABSOLUTE VALUE EXPRESSIONS

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Some examples are given below. For a complete discussion, read the text.

EXAMPLES:
Determine the sign (positive or negative) of each expression. (Most expressions involve absolute values.)

Suppose that   x   is negative. Then,   -x   is:   POSITIVE
Suppose that   x   is positive. Then,   -|2x|   is:   NEGATIVE
Suppose that   x   is negative. Then,   |-x|   is:   POSITIVE  
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Suppose that   x   is .
Then,
   is:

POSITIVE
NEGATIVE

  


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