
Câu hỏi Toán học
Quiz
•
Mathematics
•
8th Grade
•
Hard
Quốc Dương
Used 1+ times
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32 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tính giá trị của biểu thức $ 2x - 3y $ khi $ x = 4 $ và $ y = 2 $:
5
7
3
8
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Giải phương trình $ 3x - 4 = 8 $:
$ x = 4 $
$ x = 6 $
$ x = 4 $
$ x = 5 $
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Phương trình nào sau đây là phương trình bậc 2?
$ x + 5 = 0 $
$ x^2 + 4x - 7 = 0 $
$ 3x + 2 = 0 $
$ x + 2y = 6 $
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Giải phương trình bậc 2 $ x^2 - 5x + 6 = 0 $:
$ x = 1 $ và $ x = 6 $
$ x = 2 $ và $ x = 3 $
$ x = -1 $ và $ x = -6 $
$ x = 1 $ và $ x = -3 $
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Giải phương trình $ 2x + 5 = 9 $:
$ x = 2 $
$ x = 1 $
$ x = 4 $
$ x = 3 $
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tìm nghiệm của phương trình bậc nhất $ 7x - 4 = 10 $:
$ x = 2 $
$ x = 3 $
$ x = 1 $
$ x = 4 $
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Giải phương trình $ x^2 - 9 = 0 $:
$ x = -3 $
$ x = 3 $
$ x = -3 $ và $ x = 3 $
$ x = 9 $
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