
Toán 8 ngày 10/8/2025
Quiz
•
Mathematics
•
8th Grade
•
Medium
Vinh Sư Phụ
Used 3+ times
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9 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Phân tích đa thức x3y3 + 6x2y2 + 12xy + 8 thành nhân tử ta được
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chọn câu đúng.
(5x – 4)2 – 49x2 = -8(3x + 1)(x + 2)
5x – 4)2 – 49x2 = -8(3x - 1)(x + 2)
(5x – 4)2 – 49x2 = -8(3x - 1)(x - 2)
(5x – 4)2 – 49x2 = (3x – 1)(x + 2)
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Phân tích (a2 + 9)2 – 36a2 thành nhân tử ta được
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho (x2 + y2 – 17)2 – 4(xy – 4)2 = (x + y + 5)(x – y + 3)(x + y + m)(x – y + n). Khi đó giá trị của m.n là
-8
5
15
-15
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Phân tích đa thức x4 + 4x3 + 6x2 + 4x + 1 thành nhân tử ta được
(x + 2)(x^3 - 2x^2 + 1)
(x + 1)^4
(x + 1)(x^3 + 3x^2 + 3x + 1)
(x^2 + 1)(x^2 + 2)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho (x2 - 4)(x2 + 4).Phân tích thành nhân tử
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Phân tích đa thức x3 + 3x2y + 3xy2 + y3 thành nhân tử ta được
(x - y)(x^2 + xy + y^2)
(x + y)(x^2 + xy + y^2)
(x + 3y)(x^2 - 3xy + 9y^2)
(x + y)^3
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Phân tích đa thức x3 - 3x2 + 3x - 1 thành nhân tử ta được
(x - 1)^3
(x + 1)(x^2 - 1)
(x - 1)(x^2 + 1)
(x - 1)(x^2 + 2x - 1)
9.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Phân tích đa thức x4 - 16 thành nhân tử ta được
(x - 2)(x + 2)(x^2 + 4)
(x^2 - 4)(x^2 + 4)
(x - 2)(x + 2)(x^2 + 4)
(x - 4)(x + 4)(x^2 - 4)
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