
Формулы сокращенного умножения

Quiz
•
Mathematics
•
11th Grade
•
Hard
Умыт Уразова
FREE Resource
12 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Что такое квадрат суммы?
(a + b)² = a² + 2ab + b²
(a + b)² = a² + b²
(a + b)² = 2a² + 2b²
(a + b)² = a² - 2ab + b²
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Запишите формулу квадрата суммы.
(a + b)² = a² + 2ab + b²
(a + b)² = 2a² + 2b²
(a + b)² = a² - 2ab + b²
(a + b)² = a² + b²
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Примените формулу квадрата суммы к (a + b).
(a + b)² = 2a² + 2b²
(a + b)² = a² + 2b²
(a + b)² = a² + 2ab + b²
(a + b)² = a² + b²
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Что такое квадрат разности?
(a - b)² = a² + 2ab - b²
(a - b)² = a² - b²
(a - b)² = a² - 2ab + b²
(a + b)² = a² + 2ab + b²
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Запишите формулу квадрата разности.
(a - b)² = a² - 2ab + b²
(a - b)² = a² + 2ab - b²
(a - b)² = a² - b²
(a + b)² = a² + 2ab + b²
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Примените формулу квадрата разности к (a - b).
(a - b)² = a² + 2ab + b²
(a - b)² = a² - b²
(a - b)² = 2a² - 2b²
(a - b)² = a² - 2ab + b²
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Что такое разность квадратов?
Разность квадратов - это выражение вида a^2 + b^2, равное произведению (a + b)(a - b).
Разность квадратов - это выражение вида a^2 - b^2, равное произведению (a - b)(a + b).
Разность квадратов - это просто a - b.
Сумма квадратов - это выражение вида a^2 + b^2.
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