Tracnghiem - HK2toan 9 - SO 2
Quiz
•
Mathematics, Physics, Geography
•
9th Grade
•
Medium
Huỳnh Minh Khai - thaykhai
Used 12+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Điểm M(-1 ;-2) thuộc đồ thị hàm số y = mx2 khi m bằng :
-2
2
-4
4
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Hệ phương trình {4x-3y=4, 5x-6y=5 có nghiệm là
(4 ;4)
(7 ;5)
(1 ;0)
(0 ;1)
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Phương trình x2 + 6x + m + 7 = 0 có nghiệm kép khi:
m = 16
m = -16
m = 2
m = -2
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Phương trình x2 – 6x + 5 = 0 có nghiệm là:
x1 = 1; x2 = 5
x1 = -1; x2 = 5
x1 = 1; x2 = -5
x1 = -1; x2 = -5
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Trong các tứ giác dưới đây, tứ giác nào nội tiếp được trong một đường tròn?
Hình bình hành
Hình chữ nhật
Hình thang
Hình thang vuông
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Cho tam giác đều ABC nội tiếp trong đường tròn. Số đo của cung nhỏ AB bằng
1200
900
600
2400
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Gọi S là tổng 2 nghiệm và P là tích 2 nghiệm của phương trình bậc hai:
S= -2 ; P = 6
S= -2 ; P = -6
S= 2 ; P = 6
S= 2 ; P = -6
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