
Kiến thức Toán 9: Phương trình và Đường tròn

Quiz
•
Mathematics
•
9th Grade
•
Medium
Hiền Nông
Used 2+ times
FREE Resource
14 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Giải phương trình bậc hai: x^2 - 5x + 6 = 0.
x1 = 4, x2 = 1
x1 = 5, x2 = 0
x1 = 3, x2 = 2
x1 = 6, x2 = -1
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Giải phương trình bậc hai: 2x^2 + 3x - 5 = 0.
x = 1 and x = -2.5
x = 0 and x = -3
x = 1.5 and x = -4
x = 2 and x = -1.5
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tìm nghiệm của phương trình bậc hai: x^2 + 4x + 4 = 0.
x = 2
x = -2
x = -4
x = 0
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Xác định đường tròn nội tiếp tam giác có các cạnh a = 6, b = 8, c = 10.
3
5
7
2
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Tính bán kính đường tròn ngoại tiếp tam giác có các cạnh a = 7, b = 24, c = 25.
3.6458
2.3456
4.1234
5.6789
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho hàm số y = 2x^2, tính giá trị của y khi x = 3.
18
6
24
12
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Giải phương trình bậc hai: 3x^2 - 12 = 0.
x = 4, x = -4
x = 2, x = -2
x = 3, x = -3
x = 1, x = -1
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