ÔN TẬP - HỌC KỲ 1 - TOÁN 8

Quiz
•
Mathematics
•
2nd Grade
•
Hard
Lê Liên
Used 2+ times
FREE Resource
16 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tìm kết quả đúng:
x 3 – y 3 = (x + y)(x 2 + xy + y 2 )
x 3 – y 3 = (x – y)(x 2 + xy + y 2 )
x 3 – y 3 = (x - y)(x 2 + xy - y 2 )
x 3 – y 3 = (x + y)(x 2 - xy - y 2 )
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kết quả của phép tính (4x + 2)(4x – 2) bằng:
4x2 + 4
4x2 – 4
16x2 + 4
16x2 – 4
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Đa thức 4x(2y - z) + 7y(2y - z) được phân tích thành nhân tử là:
(2y + z)(4x + 7y)
(2y - z)(4x + 7y)
2y + z)(4x - 7y)
(2y - z)(4x - 7y)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu nào sai trong các câu được phép chia sẻ sau đây:
(x + y) 2 : ( x + y) = x + y
B. (x – 1) 3 : (x – 1) 2 = x – 1
(x 4 – y 4 ) : (x 2 + y 2 ) = x 2 – y 2
(x 3 – 1) : ( x – 1) = x 2 + 1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Biểu thức nào sau đây không phải là phân thức?
3x+5
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
-2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
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