
Toán

Quiz
•
Mathematics
•
9th Grade
•
Hard

T K
Used 2+ times
FREE Resource
50 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Phương trình 2x+5=0 có nghiệm là:
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hệ phương trình 3x+y=7 và x−y=3 có nghiệm là:
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Phương trình 1/x + 1/y = 0 là phương trình bậc:
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Số nào sau đây là nghiệm của bất phương trình x^2−5x+6>0?
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Phương trình x^2 + 4x + 4 = 0 có nghiệm là:
-2
2
0
-4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hệ phương trình 2x - 3y = 6 và 4x + y = 5 có nghiệm là:
(3, 0)
(0, 2)
(1, -1)
(2, 0)
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Bất phương trình x^2 - 4 < 0 có nghiệm là:
x < -2 hoặc x > 2
x = 2
-2 < x < 2
x = -2
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