
Tuần 1_ Đề số 02

Quiz
•
Mathematics
•
9th Grade
•
Medium
MATH WITCH
Used 7+ times
FREE Resource
32 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Đưa phương trình 3x2 - 4x + 7 = 7 về dạng ax2 + bx + c = 0. Khi đó hệ số c là:
0
3
- 4
7
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Cho tứ giác ABCD nội tiếp đường tròn (O) và ∠C = 75° thì số đo của góc ngoài tại đỉnh A LÀ:
120°
115°
75°
105°
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Tìm m để phương trình x2 - 2x + m - 1 = 0 (với m là tham số) có hai nghiệm trái dấu
m < 1
m < 0
m > 0
m > 1
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
1
4
3
2
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Tron các phương trình sau, phương trình nào là phương trình bậc nhất hai ẩn?
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Phương trình x4 - 6x2 - 7 = 0 có bao nhiêu nghiệm?
1
4
2
0
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
- 1
1
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