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Алгебраические выражения и разложение

Authored by Максим Тарасов

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Алгебраические выражения и разложение
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

1) Раскройте скобки: (x – 5y)²

(x - 5y)(x + 5y)

x² - 10xy + 25y²

x² - 10y + 25

x² - 5y²

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

2) Упростите выражение: (a + 3b)(3b – a)

a^2 - 9b^2

-a^2 + 6b^2

-a^2 + 9b^2

3a^2 + 9b^2

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

3) Разложите на множители: 4x² – 64y²

4(x - 4y)(x + 4y)

4(x - 2y)(x + 2y)

(2x - 16y)(2x + 16y)

2(x - 8y)(x + 8y)

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

4) Разложите на множители: a³ + 125

(a + 5)(a² - 5a + 25)

(a + 5)(a² + 5a + 25)

(a - 5)(a² - 5a - 25)

(a - 5)(a² + 5a + 25)

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

5) Разложите на множители: 25b² – 16c⁴

(5b - 8c²)(5b + 8c²)

(25b - 16c)(25b + 16c)

(5b - 4c²)(5b + 4c²)

(5b - 2c²)(5b + 2c²)

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

6) Найдите значение выражения: (x + 2)(x – 2)

2x

x^2 - 4

x^2 - 2

x^2 + 4

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

7) Упростите: (2a + 3b)² – (2a)²

(2a + 3b)² + (2a)²

12ab + 9b²

12a² + 6b

4a² + 6b²

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