KTTX đại số 8 lần 1
Quiz
•
Mathematics
•
6th - 8th Grade
•
Practice Problem
•
Medium
Huỳnh Nguyễn
Used 2+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Phương trình nào là phương trình bậc nhất một ẩn
x + 1 = 0
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Phương trình nào là phương trình tích?
x + 3 = 3
2x.(x + 1) = 0
2x - 3(x + 1) = 0
3.
FILL IN THE BLANK QUESTION
45 sec • 1 pt
Điền số thích hợp vào dấu chấm đề phương trình sau trở thành phương trình tích
(x + 1)(2x-3)=....
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Tập nghiệm của phương trình 3x - 1 = 2x + 4 là gì?
S = { 1 }
x = 5
S = { 0; 1 }
S = { 5 }
Answer explanation
3x - 1 = 2x + 4
<=> 3x - 2x = 4 + 1
<=> x = 5
Vậy S = { 5 }
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Có mấy bước giải phương trình chứa ẩn ở mẫu?
3
1
4
5
Answer explanation
Bước 1: Tìm điều kiện xác của phương trình
Bước 2: Quy đồng mẫu hai vế rồi khử mẫu.
Bước 3: Giải phương trình tìm được.
Bước 4: Kết luận.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tập nghiệm của phương trình sau là gì?
(x + 3)(x - 6) = 0
S = {-3; 6}
S = {3; 6}
S = {6}
S = {-3; -6}
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