Phương thức ẩn bậc nhất 2
Quiz
•
Mathematics, Computers, Science
•
1st Grade
•
Practice Problem
•
Medium
Thạch Nê
Used 38+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Phương trình nào sau đây là bậc nhất hai ẩn?
3y-1=5(y-2)
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Phương trình nào sau đây là phương trình bậc nhất hai ẩn?
4x+0y-6=0
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Phương trình nào dưới đây nhận cặp số (−2; 4) làm nghiệm?
x – 2y = 0
2x + y = 0
x – y = 2
x + 2y + 1 = 0
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Phương trình nào dưới đây nhận cặp số (−3; −2) làm nghiệm?
x + y = 2
2x + y = 1
x – 2y = 1
5x + 2y + 12 = 0
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Phương trình x – 5y + 7 = 0 nhận cặp số nào sau đây làm nghiệm?
(0; 1)
(−1; 2)
(3; 2)
(2; 4)
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Phương trình 5x + 4y = 8 nhận cặp số nào sau đây làm nghiệm?
(−2; 1)
(−1; 0)
(1,5; 3)
(4; −3)
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Cho phương trình ax + by = c với a ≠ 0; b ≠ 0. Chọn câu đúng nhất.
Phương trình đã cho luôn có vô số nghiệm
Tập nghiệm của phương trình được biểu diễn bởi đường thẳng d: ax + by = c
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