
Câu hỏi Toán học
Quiz
•
Professional Development
•
3rd Grade
•
Hard
thom phạm thi
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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 biến?
2x+ 3 = 0
3x+ 4y= 5
x^2+y= 1
2x−y^2= 4
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Phương trình nào sau đây có dạng chuẩn của phương trình bậc nhất hai biến?
5x−3y= 7
x^2+y^2= 1
x+y^2= 3
2x+ 3y^2= 0
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong phương trình 2x+ 3y= 6, hệ số của x là:
2
3
6
1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Đâu là dạng chính tắc của phương trình bậc nhất hai biến ax+by=c?
ax=c−by
x+y=c
a^2x+b^2y=c
ax+by−c= 0
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Giải phương trình sau 4x−2y= 8 và chọn cặp giá trị (x, y) thoả mãn:
(2,−1)
(3,2)
(1,0)
(0,4)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho phương trình 3x+ 4y= 12, giá trị khi x= 0 là:
3
-3
4
-4
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho hai phương trình 2x+y= 5 và 3x−y= 4. Hãy tính giá trị của x và y:
x= 1, y= 3
x= 2, y= 1
x= 3, y=−1
x= 4, y= 2
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