Что такое квадрат суммы?

Формулы сокращенного умножения

Quiz
•
Other
•
7th Grade
•
Hard
Ialovega Natalia
FREE Resource
16 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
(a + b)² = a² - 2ab + b²
(a + b)² = a² + b²
(a + b)² = a² + 2ab + b²
(a + b)² = 2a² + 2b²
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Запишите формулу квадрата суммы.
(a + b)² = a² + b²
(a + b)² = a² - 2ab + b²
(a + b)² = 2a² + 2b²
(a + b)² = a² + 2ab + b²
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Примените формулу квадрата суммы к (a + b).
a² - 2ab + b²
a² + 2ab + b²
a² + b²
(a + b)²
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Что такое квадрат разности?
(a + b)² = a² + 2ab + b²
(a - b)² = a² + 2ab - 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 - b²
(a + b)² = a² + 2ab + b²
(a - b)² = a² - 2ab + 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 - b²
a² - 2ab + b²
a² + 2ab + b²
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Что такое разность квадратов?
Сумма квадратов - это a^2 + b^2.
Разность квадратов - это a^2 + b^2 = (a - b)(a + b).
Разность квадратов - это a^2 - b^2 = a - b + b^2.
Разность квадратов - это a^2 - b^2 = (a - b)(a + b).
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