
M8 GKI (23-24) CVA
Authored by Trang Ms
Mathematics
8th Grade
Used 1+ times

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39 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Biểu thức nào trong các biểu thức sau là đơn thức?
3x2y
x2 – 2y
3xy(x + y)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong các đa thức sau, đa thức nào là đa thức nhiều biến?
x2 – 2x + 1
4a2 – 5a + 1
3x2 + 8y – 2x
– y2 + 5y + 2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong các đơn thức sau, đơn thức nào là đơn thức thu gọn?
– 2xy3
5xyx
– 3x2y.5y
– x2y(3z)y
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tìm các cặp đơn thức đồng dạng trong các cặp đơn thức sau?
5x2y và – 5xy2
3xyz và 4xy2z
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Điền vào chỗ trống sau: x2 – …… = (x – 4)(x + 4)
2
4
8
16
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Bậc của đa thức A = x2y + 3x + x2y + xy – 5x2y + 4x sau khi thu gọn là:
4
7
2
3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Biểu thức (x + 2)2 được khai triển là:
x2 + 4
x2 + 2x + 4
x2 + 4x + 4
x2 + 4x + 2
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