题目If \(x\lt y\), which of the following must be true? () A. \(x^{2}\lt y^{2}\) B. \(-y<-x\) C. \(x^{2}\lt xy\) D. \(xy\lt y^{2}\) E. \(2x\lt y\) 相关知识点: 试题来源: 解析 B 反馈 收藏
If , which of the following must be true? ( ) A. B. C. D. E. 相关知识点: 试题来源: 解析 D A good way to approach this problem is to test out the answers. (A): If , could it be true that ?>\dfrac{1}{4}s=0\sqrt{0}, such as ? Yes, > 反馈 收藏 ...
Given that n is positive, it could be a positive fraction, 1, or a fraction of whole number greater than 1. If n = 1, then case I is not true since n2 = 1 Likewise in II if n = 1, n - n2 = 0, and the statement is not true. In III, if n = ½, then 2n - ...
If |x−y|>x−y, which of the following must be true( ).A.y>xB.x>yC.y<
百度试题 结果1 题目If xy=x+y and y> 2,which of the following must be true about A.x=yB.x=0C.x=1D.0 相关知识点: 试题来源: 解析 xy-x-y+1=1,即(x-1)(y-1)=1,选E 反馈 收藏
From this it follows that Equation III will hold only if , which can be false. For example, if x = a = c = 1 and y = b = d = 2 (a choice of values for which are true), then and Equation III is , which is false.
If a, b, and c are real numbers, which of the following must be true? 返回 123456789101112131415161718 If a, b, and c are real numbers, which of the following must be true? A.a+(b+c)=(a+b)+c B.a-(b-c)=(a-b)-c C.a*(b*c)=(a*b)*c...
百度试题 结果1 题目If the inequality |a |>|b| is true, then which of the following must be true? () A. a=b B. a≠q b C. a < b D. a > b E. a > 0 相关知识点: 试题来源: 解析 B 反馈 收藏
If the statements above are true, which of the following must be true?_出国考试答疑器_GMAT_试题_Critical Reasoning
If xy + z = x(y + z), which of the following must be true?_出国考试答疑器_GMAT_试题_Problem Solving