
Ôn tập Cuối Kỳ 1 Toán 12
Quiz
•
Mathematics
•
12th Grade
•
Medium
Việt Anh Hoàng
Used 1+ times
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26 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong không gian , cho vectơ .Tọa độ điểm là
A. .. M (2;-3;1)
B. .(3;- 2;1)
C. .(-3;2;1)
D. .(-2;3;-1)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong không gian , cho hai điểm và . Vectơ có tọa độ là
A. .(-1;- 1;-3)
B. .(3;1;1)
C. .(1;1;3)
D. .3;3;-1)
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong không gian , hình chiếu vuông góc của điểm trên trục có tọa độ là
A. .(0;1;0).
B. .8;0;0) .
C. .(0;1;2) .
D. .(0;0;2).
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong không gian , hình chiếu vuông góc của điểm trên trục có tọa độ là
A. .(3;0;-1)
B. .(0;1;0)
C. .(3;0;0).
D. .0;0;-1)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong không gian với hệ toạ độ , cho điểm . Tính độ dài đoạn thẳng .
A. .A. OA =√5
B. .OA =5
C. .OA = 3
D. OA =9.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong không gian , cho hai điểm , . Độ dài đoạn thẳng là
A. .2√13
B. .√6
C. .3
D. .2√3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho hình lập phương . Mệnh đề nào sau đây sai?
A. .AB+ AD + AA'= AC'.
B. .AC = AB+ AD
C. .(AB=CD)
D. .AB=CD
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