
Алгебраические выражения и разложение
Authored by Максим Тарасов
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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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