
Phiếu 5: Phân tích đa thức thành nhân tử bằng cách nhóm hạng tử
Authored by thithutrang nguyen
Mathematics
8th Grade

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30 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
2.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
3.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
4.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
5.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Phân tích đa thức thành nhân tử: 5x2 + 10xy – 4x – 8y
A. (5x – 2y)(x + 4y)
B. (5x + 4)(x – 2y)
C. (x + 2y)(5x – 4)
D. (5x – 4)(x – 2y)
6.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Đa thức x2 + x – 2ax – 2a được phân tích thành
A. (x + 2a)(x – 1)
B. (x – 2a)(x + 1)
C. (x + 2a)(x + 1)
D. (x – 2a)(x – 1)
7.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Đa thức 2a2x – 5by – 5a2y + 2bx được phân tích thành
A. (a2 + b)(5x – 2y)
B. (a2 – b)(2x – 5y)
C. (a2 + b)(2x + 5y)
D. (a2 + b)(2x – 5y)
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