x = 3 là nghiệm của bất phương trình nào dưới đây?

BAT PHUONG TRINH MOT AN

Quiz
•
Tuấn Anh 6A1
•
Mathematics
•
Professional Development
•
8 plays
•
Medium
Student preview

6 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
x + 1 > 4
2x - 5 > 7
0 10.x
2 - x 5
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Gặp biển báo này phương tiện cần đi với vận tốc là số dương x (km/h) sao cho:
x = 50
x < 50
x > 50
x 50
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Bạn Lan được học sinh giỏi, điểm trung bình các môn của bạn Lan là x, vậy:
x tùy ý
x = 8,0
x > 8,0
x 8,0
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hình trên là hình biểu diễn tập nghiệm của bất phương trình:
x < -1,5
x - 1,5
x > - 1,5
x - 1,5
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Vế trái của bất phương trình
4x + 1 ≤ x2 – 3x là:
4x
1
4x + 1
x2 - 3x
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
x 2,5 (1)
(2)x > 1 (3)
(4)
Hai bất phương trình nào tương đương?
(1) (2)
(1) (3)
(3) (4)
(2) (4)
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