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If r is negative and s is positive, which of the following must be negative?A、|r
If r is negative and s is positive, which of the following must be negative?A、|r
游客
2025-02-27
11
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问题
If r is negative and s is positive, which of the following must be negative?
选项
A、|r|/s
B、|s|/r
C、r2+s
D、r2s2
E、
答案
B
解析
Based on the rules of positive and negative numbers, the only answer choice that must be negative is B, since it takes a positive and divides it by a negative. All other manipulations end up positive.
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