
Формулы сокращенного умножения
Authored by Doszhan Zhakudayev
Mathematics
7th Grade

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Разложите квадрат: x^2 - 16
(x - 4)(x - 4)
(x - 8)(x + 8)
(x - 4)(x + 4)
(x - 2)(x + 2)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Разложите сумму: a^2 + 2ab + b^2
(a + b)^2
(a + b)(a - b)
a^2 + b^2
(a - b)^2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Разложите разность: x^2 - 9y^2
(x - 3)(x + 3)
(x - 3y)(x - 3y)
(x - 3y)(x + 3y)
(x - 9y)(x + 9y)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Разложите квадрат: 4x^2 - 25
(2x - 1)(2x + 1)
(2x - 5)(2x + 5)
(2x - 10)(2x + 10)
(4x - 5)(x + 5)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Разложите сумму: m^2 + 6m + 9
(m + 3)^2
(m + 2)(m + 4)
(m + 1)(m + 8)
(m + 6)(m + 3)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Разложите разность: a^2 - 4b^2
(a^2 - 4b)(1)
(a + 2b)(a + 2b)
(a - 2b)(a - 2b)
(a - 2b)(a + 2b)
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Разложите квадрат: 9x^2 - 1
(3x - 3)(3x + 3)
(9x - 1)(x + 1)
(3x - 2)(3x + 2)
(3x - 1)(3x + 1)
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