
Ẩn nhất hai bậc
Authored by Anh Vân
Mathematics
9th Grade

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Phương trình nào sau đây là phương trình bậc nhất hai ẩn?
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Phương trình nào dưới đây nhận cặp số (-2;4) làm nghiệm
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Phương trình x-5y+7=0 nhận cặp số nào sau đây làm nghiệm?
(0;1).
(-1;2).
(3;2).
(2;4).
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Phương trình 5x+4y=8 nhận cặp số nào sau đậy là nghiệm?
(-2;1).
(-1;0).
(4;-3).
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Phương trình nào sau đây là bậc nhất hai ẩn?
3y-1=5(y-2)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Phương trình x – 5y + 7 = 0 nhận cặp số nào sau đây làm nghiệm?
(0; 1)
(−1; 2)
(3; 2)
(2; 4)
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Công thức nghiệm tổng quát của phương trình 0x + 4y = −16
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