
Tuyển tập 20 câu hỏi toán lớp 12

Quiz
•
Mathematics
•
12th Grade
•
Hard
Khanh Cầm
Used 1+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho khối lăng trụ tứ giác đều có cạnh đáy đáy bằng a , chiều cao bằng 3a . Thể tích khối lăng trụ đã cho là
3a2
3a3
2a2
2a3
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho số phức z = 5 - 6i , số phức liên hợp của z có phần ảo là
-6
6
5
-5
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Số cách sắp xếp 4 học sinh vào 1 dãy gồm 6 chiếc ghế là
A46
C46
4!
P4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tập xác định của hàm số y = ( x - 4 ) -2 là
( -oo ; 4 )
( 4 ; +oo )
R
R \ { 4 }
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong không gian cho hai điểm A ( 1 ; -2 ; 0 ) và
B ( 2 ; 1 ; -3 ) . Tọa độ vecto AB là
( 3 ; -1 ; -3 )
( -1 ; -3 ; 3 )
( 1 ; 3 ; -3 )
( -3 ; 1 ; 3 )
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Đồ thị hàm số y = x3 + 3x - 2 đi qua điểm nào dưới đây
( 0 ; -2 )
( 0 ; 3 )
( 1 ; 0 )
( 1 ; 8 )
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tập nghiệm của bất phương trình 2x > 6
( -oo ; log26 )
( log26 ; +oo )
( -oo ; log62 )
( log62 ; +oo )
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