tailieunhanh - problems practice phần 8

Tham khảo tài liệu 'problems practice phần 8', ngoại ngữ, ngữ pháp tiếng anh phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | a Less than 32 cents. b Less than 48 cents. c Less than 96 cents. d More than 48 cents. e More than 96 cents. 24. A B and C are three sequential integers that follow the rules ABC 0 and A B C. Which of the following might be true a A -3. b B C2 A - B. c B2A C2 B-A . d AB 0. e AB 2C 1. 25. If X-Y is positive X and Y have the same sign. Which of the following must be true a X2 Y2. b Y2 XY. c 1 Y 1 X. d 1 Y2 1 X2. e XY 0. 26. Z is a negative even number. Which of the following is the greatest fix a Zz-1. b Z2 z-1 . c Z2 z-1 d Zz. e 3Zz. 27. If -1 X 0 which of the following is the smallest a X3. b -X3. c 1 X. d 1 X-3 -3. e 1 X-4 -3. 28. A and B . Which of the following must be true a A2 B2. b A B2 . c A B 1. d A2B2 1. e 2B A. 29. Which of the following is equivalent to X X 3 5 a -5 X 3 b -4 X 1 c X -3 d X 1 e X -1 30. If X2 1 Y which of the following might be true a If X 0 then 1 X Y. b If X 0 then 1 X Y. c If Y 0 then X 0. d If Y 0 then X 0. e If X Y then Y 1. 31. 1 3 A 6 7 and B 8 5. Which of the following might be AB a b c d e 1 . 1 2 5. . 1 6. 1 8. 32. If X 1. Which of the following is the greatest a 1 X 4. b 1 x -2. c 1 X - X2. d X-6 X-3 X4 -X. e X . 33. A ship can carry a cargo of tons and have a room for no more than 17 containers. What is the weight of each container if all the containers are equal a Less than tons. b Less than 2 tons. c Exactly tons. d More than tons. e More than 2 tons. 34. The phrase 1- A-1B is negative only if a A 0 and B 0. b B A and AB 0. c B-1 A and AB 0. d A B 1. e AB 1. 35. Which of the following fit the rule V9X - 20 X a X 0. b X 0. c X 5. d X 0. e X 20 9 36. If A3 B3 what must be true a A2 B2. b AB 0. c A2 B3. d B3 A2. e A B. 37. The phrase A B 2 2AB is true only for a AB 0. b AB 0. c A B 0. d Any A and B. e Never. 38. If 1 X 1 and 1 Y -1 which of the following must be true when Y is an integer a Y2 - X-1 0. b Y2 X2. c Y3 X3 0. d 1 XY 1 X 1 Y. e Y X

TỪ KHÓA LIÊN QUAN
crossorigin="anonymous">
Đã phát hiện trình chặn quảng cáo AdBlock
Trang web này phụ thuộc vào doanh thu từ số lần hiển thị quảng cáo để tồn tại. Vui lòng tắt trình chặn quảng cáo của bạn hoặc tạm dừng tính năng chặn quảng cáo cho trang web này.