2. 职称英语
  3. 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2024-01-14  62
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.
转载请注明原文地址:https://tihaiku.com/zcyy/3360505.html
相关试题推荐
随机试题
最新回复(0)