REVIEW TOÁN 9

Quiz
•
Mathematics
•
9th Grade
•
Hard

Hong Dang Thi
Used 6+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
Hàm số nào sau đây đồng biến khi x > 0?
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Cho hàm số y = (m - 1)x2 với m là tham số, m ≠ 1. Khẳng định nào sau đây sai?
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Hàm số nào sau đây nghịch biến khi x < 0?
4.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Hàm số nào sau đây nghịch biến khi x > 0?
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Cho hàm số y = (2 - m)x2 với m là tham số, m ≠ 2. Khẳng định nào sau đây đúng?
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Với giá trị nào của m thì hàm số y = (3 + 2m)x2 (với m là tham số, m ≠ -1,5) đồng biến khi x < 0?
7.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Tập hợp tất cả các giá trị của tham số m để hàm số y = (m2 + 4)x2 nghịch biến khi x > 0 là:
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