
Quiz 9 lần 1
Quiz
•
Mathematics
•
9th Grade
•
Practice Problem
•
Medium
Tạ Chúc
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9 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho tam giác ABC đều cạnh bằng 2cm quay xung quanh đường cao AH tạonên một hình nón. Tính thể tích của hình nón đó
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong một đường tròn nếu số đo góc ở tâm bằng 40 độ thì số đo cung bị chắn là bao nhiêu độ?
10
20
40
60
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
hàm số y=(2-3m)x +5 nghịch biến khi :
m> 2/3
m < 2/3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nếu hai đồ thị của hàm số y=(m+1)x-4 và y=2mx +m-1 cắt nhau tại điểm (-5;-19) thì m bằng:
3
-2
2
1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
16
2
-2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hai đường tròn cắt nhau có số điểm chung là
0
1
2
Vô số
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hai đường tròn tiếp xúc nhau có số điểm chung là
0
1
2
VÔ số
9.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tìm m để (d1): y = (m-2)x - 2 // (d2): y = 2x + m - 6
4
-4
0
Đáp án khác
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