
MỞ ĐẦU PTMP-1-xong nhưng chưa giao
Authored by sang nguyen van
Mathematics
9th - 12th Grade

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40 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
x-2y+3 z-12=0
x-2y-3z+6=0
x-2y+3z+12=0
x-2y-3z-6=0.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
cho mặt phẳng (P): 2 x+7y-3 z+2023=0. Vectơ nào sau đây là vectơ pháp tuyến của mặt phẳng (P) ?
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
(2 ; 5 ;-1)
(2 ; 5 ; 1)
(-2 ; 5 ;-1)
(-4 ; 10 ; 2).
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho mặt phẳng (P): x-y+3=0. Vectơ nào không phải là vectơ pháp tuyến của mặt phẳng (P) ?
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho mặt phẳng (P): x-2 y+z-5=0. Điểm nào dưới đây thuộc (P) ?
Q(2 ;-1 ; 5)
P(0 ; 0 ;-5)
N(-5 ; 0 ; 0)
M(1 ; 1 ; 6).
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
3 x-2 y+z+12=0
3 x+2 y+z-8=0
3 x-2 y+z-12=0
x-2 y+3 z+3=0.
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