
LUYEN TAP 1
Quiz
•
Mathematics
•
12th Grade
•
Practice Problem
•
Hard
văn Nguyễn
Used 3+ times
FREE Resource
Enhance your content in a minute
6 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
10 sec • 10 pts
Câu 1: (Mã đề 102 - 2019) Trong không gian (Oxyz) , hình chiếu vuông góc của điểm M(3;1;-1) trên trục Oy có tọa độ là
A. (3;0;-1)
B. (0;1;0)
C. (3;0;0)
D. (0;0;-1)
2.
MULTIPLE CHOICE QUESTION
10 sec • 10 pts
Câu 2: (Mã 101-2022) Trong không gian (Oxyz), cho điểm A(1;2;-3). Hình chiếu vuông góc của A lên mặt phẳng (0xy) có tọa độ là
A. (0;2;-3)
B. (1;0;-3)
C. (1;2;0)
D. (1;0;0)
3.
MULTIPLE CHOICE QUESTION
10 sec • 10 pts
A. (-2;3;5)
B. (2;-3;5)
C. (-2;-3;5)
D. (2;-3;-5)
4.
MULTIPLE CHOICE QUESTION
20 sec • 10 pts
A. (-1;-1;-3)
B. (3;1;1;)
C. (1;1;3)
D. (3;3;-1)
5.
MULTIPLE CHOICE QUESTION
20 sec • 10 pts
Câu 5: (Đề thi công bằng KHTN 2019) Trong không gian Oxyz, cho hình bình hành ABCD. Biết A (1;0;1), B (2;1;2) và D (1;-1;1). Tọa độ điểm C là
A. C (2;0;2)
B. C (2;2;2)
C. C (2;-2;2)
D. C (0;-2;0)
6.
MULTIPLE CHOICE QUESTION
10 sec • 10 pts
A. 3
B. 2
C. 1
D. -1
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