
TNT1
Quiz
•
Mathematics
•
1st Grade
•
Practice Problem
•
Hard
Nhung Đặng
FREE Resource
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14 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong mặt phẳng tọa độ Oxy, đường thẳng 2x – y = 3 đi qua điểm:
A. (0; 3)
B. (2; 2)
C. ( 1; 3)
D. (5; 0)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho hàm số y = -3x2. Kết luận nào sau đây là đúng :
A. Hàm số trên luôn đồng biến
B. Hàm số trên luôn nghịch biến
C. Hàm số trên đồng biến khi x > 0, nghịch biến khi x < 0
D. Hàm số trên đồng biến khi x < 0, nghịch biến khi x > 0
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Điều kiện để hàm số y = (- m + 3) x – 7 đồng biến trên R là:
A. m = 3
B. m ≤ 3
C. m ≥ 3
D. x ≠ 3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong các phương trình sau, phương trình nào có tích hai nghiệm bằng -5
A. x2 - 3 x - 5 = 0
B. x2 - 3 x + 5 = 0
C. x2 + 3 x + 5 = 0
D. –x2 - 3 x - 5 = 0
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho tam giác ABC vuông tại A có đường cao AH có BH = 6 cm; CH = 12 cm. Độ dài cạnh góc vuông AB là:
A.6cm
B.6√2 cm
C.6√3 cm
D.12 cm
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong các hàm số sau, hàm số nào là hàm số bậc nhất?
A. y = 3 –x.
D. y = √2x + 3.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A. 2 − √5
B. √5 + 2 .
C. √5.
D. √5 − 1
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