Bài 1. Khái niệm pt và hpt bậc nhất 2 ẩn - Toán 9
Quiz
•
Mathematics
•
9th Grade
•
Practice Problem
•
Medium
Nguyễn Thị Hải Âu
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5 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?
2x + 3y = 6
0x + 0 y = 10
x2 - 2y = -9
x2 - y2 = 1
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Phương trình nào sau đây không phải là phương trình bậc nhất?
3x + 4y = 12
x3 + y = 5
5x - 2y = 8
2x + 7 = 14
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Phương trình nào sau đây có nghiệm duy nhất?
0x + 0y = 0
y = 2x + 1
x2 - 4 = 0
2x + 3 = 0
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Công thức nghiệm tổng quát của phương trình 2x - y = 4
(Có thể chọn nhiều đáp )
(x; y) = (1;2)
y = 2x + 4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Phương trình 3x + 2y = 4 có vô số
ĐÚNG
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