Asked by Anonymous
What is the ANSWER??
If /x/ = -x, then x mst be
A. Positive
B. Nonnegative
C. Negative
D. Nonpositive
If /x/ = -x, then x mst be
A. Positive
B. Nonnegative
C. Negative
D. Nonpositive
Answers
Answered by
Jai
Note that is only possible if x is any real number less than or equal to zero:
x <= 0
Therefore, the answer is [D] Nonpositive.
Note nonpositive is different from negative numbers, as nonpositive includes zero, while Negative numbers does not include zero. (Zero is neither positive or negative number)
Hope this helps~ :)
x <= 0
Therefore, the answer is [D] Nonpositive.
Note nonpositive is different from negative numbers, as nonpositive includes zero, while Negative numbers does not include zero. (Zero is neither positive or negative number)
Hope this helps~ :)
Answered by
Steve
Not quite.
|x| = x if x >= 0
|x| = -x if x < 0
(C)
It happens that -0 = 0, but the definition of |x| specifies that |x|=x if x>=0
|x| = x if x >= 0
|x| = -x if x < 0
(C)
It happens that -0 = 0, but the definition of |x| specifies that |x|=x if x>=0
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