Формулы сокращенного умножения
Quiz
•
Mathematics
•
7th Grade
•
Medium
Елена Горина
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8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Преобразуйте в многочлен: (с - 5)(с + 5).
с2 - 25
с2 -10с + 25
25 - с2
Другой ответ
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Преобразуйте в многочлен: (5 - с)(с + 5).
с2 - 25
с2 -10с + 25
25 - с2
Другой ответ
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Преобразуйте в многочлен: (с - 5)2.
с2 - 25
с2 -10с + 25
25 - с2
Другой ответ
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Преобразуйте в многочлен: (5 - с)2.
с2 - 25
с2 -10с + 25
25 - с2
Другой ответ
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Преобразуйте в многочлен: (-с - 5)2.
с2 - 25
с2 -10с + 25
25 - с2
с2 +10с + 25
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Преобразуйте в многочлен: (2х + 3у)2.
2х2 - 3у2
2х2 + 3у2
4х2 + 9у2
4х2 + 12ху + 9у2
2х2 + 12ху + 3у2
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Преобразуйте в многочлен: (2х - 3у)2.
2х2 - 3у2
2х2 + 3у2
4х2 + 9у2
4х2 - 12ху + 9у2
2х2 - 12ху + 3у2
8.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Выполните умножение: (-8а - b)(-8a + b).
64a2 - b2
b2 - 64a2
-64a2 - b2
8a2 - b2
b2 - 8a2
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