
Câu hỏi trắc nghiệm về vectơ
Authored by Hằng thị
Mathematics
12th Grade
Used 1+ times

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11 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
( 3;4;1 ).
( -1;-2;3 ).
( 3;5;1 ).
( 1;2;3 ).
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
( 10;-2;13 ).
( -2;2;-7 ).
( -2;-2;7 ).
( -2;2;7 ).
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
( -1;4;-5 ).
( 1;-4;5 ).
( 3;0;1 ).
( 3;0;-1 ).
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong không gian Oxyz, cho hai điểm A( 2;-4;3 ) vàB( 2;2;7 ). Trung điểm của đoạn thẳng AB có tọa độ là
( 4;-2;10 )
( 1;3;2 )
( 2;6;4 )
( 2;-1;5 )
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong không gian với hệ tọa độ Oxyz cho hai điểm A( 3;-2;3 ) và B( -1;2;5 ). Tìm tọa độ trung điểm I của đoạn thẳng AB là :
I( -2;2;1 ).
I( 1;0;4 ).
I( 2;0;8 ).
I( 2;-2;-1 ).
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong không gian cho hệ trục toạ độ Oxyz, cho ba điểm A( 1;-2;3 ),B( -1;2;5 ),C( 0;0;1 ). Tìm toạ độ trọng tâm G của tam giác ABC.
G( 0;0;3 ).
G( 0;0;9 ).
G( -1;0;3 ).
G( 0;0;1 ).
7.
OPEN ENDED QUESTION
1 min • 1 pt
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