
Ôn tập kiểm tra giữa kỳ 1 K10

Quiz
•
Mathematics
•
10th Grade
•
Medium
Uyên Trần
Used 4+ times
FREE Resource
12 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chọn khẳng định đúng
√5∈ℚ
√10∈ℝ
7∉ℕ
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Bất phương trình nào dưới đây là bất phương trình bậc nhất 2 ẩn
-x+3<2y2
x-2y<0
x2-2≥0
x-y+4z<0
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Mệnh đề phủ định của mệnh đề : "∀x∈ℕ:x²>x-1" là
"∀x∈ℕ:x²≤x-1"
"∃x∈ℕ:x²≥x-1"
"∃x∈ℕ:x²≤x-1"
"∃x∈ℕ:x²>x-1"
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Viết lại tập hợp A={x⋵R/-1<x≤2}
A=(-2;1]
A=(-1;2)
A=[-1;2]
A=(-1;2]
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Cho hai tập hợp A=[-3;5) và B=(0;7]. Xác định tập hợp A∪B
[5;7]
[-3;0]
[-3;7]
(0;5)
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Phần gạch chéo trong hình vẽ dưới đây (không bao gồm đường thẳng ) là miền nghiệm của bất phương trình bậc nhất hai ẩn nào dưới đây?
x-2y-2>0
x-2y<2
x-2y≤2
x-2y>1
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Điểm A(-1;3) thuộc miền nghiệm của bất phương trình nào?
x+3y<0
x-3y>0
-3x+2y-4>0
2x+y-4>0
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