
Формули скороченого множення
Authored by Тетяна Амбурцева
Mathematics
7th Grade

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6 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Подайте у вигляді многочлена вираз
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Який двочлен підносили до квадрата, що отримали таку відповідь 81a2-72aв+16в2
(81а+16в)2
(9а+4в)2
(9а-4в)2
(81а-16в)2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
х6 - 14х3у4 + 49у8
(х6-7у8)2
(х2+7у4)2
(х3-7у4)2
(х-7у)4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
(х+2)(х-2)(х2+4)
х4 - 16
х2-8
х4-8
х4+16
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Формула a² - b² = (a - b)(a + b) називається:
Різниця квадратів
Квадрат різниці
Квадрат суми
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Чому дорівнює (x - 2)³?
(х-2)(x²+4х+4)
x³ - 4x² + 8x - 8
x³ - 8
x³ + 4x² + 8x + 8
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