Разность квадратов
Quiz
•
Mathematics
•
7th Grade
•
Practice Problem
•
Hard
Дарья Щепалова
Used 6+ times
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20 questions
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1.
FILL IN THE BLANK QUESTION
3 mins • 1 pt
Разложите на множители
ответ набирайте в английской раскладке клавиатуры
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Какая из указанных формул имеет название "разность квадратов"?
a2 + b2
(a - b)2
a3 - b3
b2 - a2
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Укажите правильное раскрытие скобок в выражении (3b+5)(5-3b).
6b + 10
9b2 - 25
9b2 - 30b + 25
25 - 9b2
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Разложите на множители 49a2 - 25.
(7a - 5)2
(7a + 5)2
(5 + 7a)(7a - 5)
(7a - 5)(-7a + 5)
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Какой из данных двучленов можно разложить на множители, применяя формулу разности квадратов?
- а² - b²
4а² + b²
а² - 4b²
4b² + а²
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Упростите выражение (2х – у)(2х + у)
4х2 - у
у2 - 8ху + 4у2
4х2 - у2
4х2 + у2
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
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