Trong không gian Oxyz, cho điểm A (1;2;3). Điểm đối xứng với A qua mặt phẳng có tọa độ

Toán cuối kì II

Quiz
•
Mathematics
•
9th - 12th Grade
•
Hard
Ngô Vũ
Used 2+ times
FREE Resource
53 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
(-1;2;3)
(-1;-2;-3)
(1;2;-3)
(1;-2;3)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong không gian Oxyz, cho 2 vectơ u (1;-2;5) và v (0;2;-3). Tọa độ của vectơ u+v
(-1;4;-8)
(1;0;2)
(-1;0;-2)
(1;-4;8)
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
(2;1;1)
(1;2;-3)
(2;1;-3)
(-1;2;1)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
(1;-2;3)
(2;1;1)
(2;1;-1)
(1;2;3)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
P (2;1;-1)
M (1;2;3)
Q (2;1;1)
N (1;-2;3)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong không gian Oxyz, cho mặt phẳng (P): 2x + 3y + z + 2 = 0. Véctơ nào dưới đây là 1 véctơ pháp tuyến của (P) ?
(2;0;3)
(2;3;2)
(2;3;0)
(2;3;1)
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Trong không gian Oxyz, cho 2 điểm M (1;-1;-1) và N (5;5;1). Đường thẳng MN có phương trình
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