
Ôn Tập toán 8 (2)
Authored by Hồng Phi
Mathematics
8th Grade
Used 30+ times

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21 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Phân tích đa thức x3 + 12x thành nhân tử ta được
x2(x + 12)
x(x2 + 12)
x(x2 – 12)
x2(x – 12)
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Phân tích đa thức mx + my – m thành nhân tử ta được
m(x + y + 1)
m(x + y + m)
m(x + y)
m(x + y – 1)
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Chọn câu trả lời đúng nhất : 21x2y−12xy2 =
3(7x2y−4xy2)
3y(7x2−4xy)
3x(7xy−4y2)
3xy(7x−4y)
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Kết quả phân tích đa thức 4x2−4x+1 thành nhân tử là:
(2x−2)2
(x−2)2
(2x−1)2
(2x+1)(2x−1)
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Kết quả phân tích đa thức x2−36 thành nhân tử là:
(x−6)2
(x+6)2
(x+36)( x−36)
(x+6)( x−6)
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Kết quả phân tích đa thức 4x2−9 thành nhân tử là:
(2x−3)2
(x+6)2
(2x+3)( 2x−3)
(4x+3)( 4x−3)
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Đẳng thức nào sau đây là đúng
y5 – y4 = y4(y – 1)
y5 – y4 = y3(y2 – 1)
y5 – y4 = y5(1 – y)
y5 – y4 = y4(y + 1)
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