
TOÁN 9 - TỈ SỐ LƯỢNG GIÁC CỦA GÓC NHỌN
Quiz
•
Mathematics
•
9th Grade
•
Practice Problem
•
Hard
Kieu Trinh Nguyen
Used 5+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 10 pts
Nghiệm của phương trình (x+5)(2x - 10) = 0 là
x = 5 hoặc x = -5
x = 5
x = -5
2.
MULTIPLE CHOICE QUESTION
45 sec • 10 pts
3.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Phương trình nào sau đây là phương trình bậc nhất hai ẩn?
4.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Số đo góc A trong hình là bao nhiêu ? (Kết quả làm tròn đến độ)
470
490
420
480
5.
MULTIPLE CHOICE QUESTION
45 sec • 10 pts
Tỉ số lượng giác bằng với cos580 là
sin580
tan320
cos320
cot320
6.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Nếu góc A là góc nhọn thì tỉ số lượng giác sinA = ?
7.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Cặp số (-2; -3) là nghiệm của hệ phương trình nào sau đây?
x-2y=3 và 2x+y=4
2x-y= -1 và x -3y=8
2x - y = -1 và x - 3y= 7
4x -2y = 0 và x - 3y = 5
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