
ĐỀ KHẢO SÁT CHẤT LƯỢNG TOÁN 12 NĂM HỌC 2024-2025
Quiz
•
Mathematics
•
12th Grade
•
Practice Problem
•
Hard
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63 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho hàm số y = ax^2 + bx + c + d có đồ thị như hình vẽ. Khẳng định nào dưới đây đúng?
Hàm số đã cho đồng biến trên khoảng (-∞; +∞).
a > 0, d < 0.
a < 0, d > 0.
Hàm số đã cho có hai điểm cực trị.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong không gian tọa độ Oxyz cho hai điểm M(1; 2; -3), N và vectơ v = (2; -1; -2) thỏa mãn \overrightarrow{v} = \overrightarrow{MN}. Tọa độ của điểm N là
(-1; 3; -1)
(3; 1; -5)
(3; 1; -1)
(3; -3; 1.5)
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Đường thẳng y = 3x - 2 là tiệm cận xiên của đồ thị hàm số nào dưới đây?
y = 1/(2x + 1)
y = 3x - 2 + 3/(2x - 1)
y = 1/(2x - 1)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong không gian tọa độ Oxyz, vectơ nào dưới đây là một vectơ chỉ phương của đường thẳng đi qua hai điểm A(1; 3; -3), B(0; 1; -1)?
u_1 = (1; 2; -2)
u_2 = (1; -2; -2)
u_3 = (1; 4; -4)
u_4 = (0; 1; 1)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
R = 2
R = 1/4
R = 4
R = 1/2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho các biến cố A và B thỏa mãn P(B) = 0,8, P(AB) = 0,5. Tính P(A|B)
5
8/5
0,625
5/8
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho hàm số y = f(x) = ax^2 + bx + c + d có bảng biến thiên như hình vẽ.
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