Trong không gian Oxyz, cho mặt phẳng (P) có phương trình là x - 2y + 2 = 0 . Vectơ nào dưới đây là một vectơ pháp tuyến của mặt phẳng (P):
Luyện tập PTMP

Quiz
•
Mathematics
•
12th Grade
•
Medium
anh lê
Used 1+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Trong không gian Oxyz, phương trình tổng quát của mặt phẳng (Oxy) là:
x = 0
y = 0
z = 0
x + y = 0
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Trong không gian Oxyz, lập phương trình mặt phẳng (P) đi qua điểm A(-2 ;1 ;-2) và vuông góc với trục Oz.
x + y + 1 =0
- 2x + y - z + 1 = 0
z - 1 =0
z + 2 = 0
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
(- 19, 13, -5)
(19, 13, 5)
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A(1; 1; 3)
B(1; 1; -3)
C(3; 1; 1)
D(- 1; - 1; 3)
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
3x + z + 7 = 0
3x - y - 7z + 1= 0
3x - y + 7= 0
3x + y - 7z + 3 = 0
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