
Lớp 12 Ôn tập hệ trục tọa độ

Quiz
•
Mathematics
•
12th Grade
•
Easy
Cao Trần Dũng
Used 7+ times
FREE Resource
8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Câu 1. Trong không gian Oxyz , hình chiếu vuông góc của điểm M(2;-1;2) trên mặt phẳng (Oxy) có tọa độ là
2.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Câu 2. Trong không gian Oxyz , tọa độ điểm đối xứng của M(1;2;3) qua mặt phẳng (Oyz) là
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Câu 5. 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 .
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Câu 6. Trong không gian với hệ trục Oxyz, cho ba điểm A(-1;2;3), B(1;0;2), C(x;y;2) thẳng hàng. Khi đó x+y bằng
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 7. Trong không gian Oxyz , cho ba điểm A(1;0;0), B(1;1;0), C(0;1;1). Tìm tọa độ điểm D sao cho tứ giác ABCD (theo thứ tự các đỉnh) là hình bình hành?
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
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