
KN PT bậc nhất 2 ẩn - HPT
Quiz
•
Mathematics
•
9th Grade
•
Practice Problem
•
Medium
trungdung312 Nguyễn
Used 4+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Phương trình 5x - y = 4 nhận cặp số nào sau đây là nghiệm?
(-1;1)
(-1;-1)
(1;1)
(1;-1)
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Hệ Phương trình sau nhận cặp số nào sau đây là nghiệm?
(-21;15)
(-15; 21)
(-21;-15)
(15; 21)
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Cặp số (2; -1) là nghiệm của hệ phương trình nào?
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Cho bài toán: Vừa gà vừa chó
Bó lại cho tròn
Ba mươi sáu con
Một trăm chân chẵn.
Hệ phương trình thoả mãn bài toán trên là:
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Phương trình nào sau đây ko phải là phương trình bậc nhất hai ẩn?
2x + 3y = 5
0.x + 0.y = 5
x + y = 0
x + 5y = 5
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
cho phương trình 12x - 5y = 4. có hệ số a, b c lần lượt là:
a = 12; b = 5; c = 4
a = 12; b = -5; c =- 4
a = -12; b = -5; c = -4
a = 12; b = -5; c = 4
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