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Формулы сокращенного умножения

Authored by Doszhan Zhakudayev

Mathematics

7th Grade

Формулы сокращенного умножения
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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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