Формули скороченого множення
Quiz
•
Mathematics
•
7th Grade
•
Hard
Марія Мосійчук
FREE Resource
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Подайте у вигляді многочлена вираз
(3x + 2у)2
3х2+2у2
9х2+6ху+4у2
9х2-6ху+4у2
9х2+4у2
9х2+12ху+4у2
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Який двочлен підносили до квадрата, що отримали таку відповідь 81a2-72aв+16в2
(81а+16в)2
(9а+4в)2
(9а-4в)2
(9а-4в)
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Розкладіть на множники:
х2 – 81
(х2 - 9)(х2 + 9)
(х - 9)(х +9)
(х - 9)2
(х2 - 9)2
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Перетворіть вираз у многочлен:
(7a + 4b)(7a - 4b)
49a2 - 16b2
7a2 - 4b2
49a - 16b
49a2 + 16b2
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Розкладіть многочлен на множники:
х3-125
(х-5)(х2+5х+25)
(х-5)(х2 -5х+25)
(х+5)(х2+5х+25)
(х-5)(х2+5х+5)
6.
FILL IN THE BLANK QUESTION
2 mins • 1 pt
Квадрат суми двох виразів дорівнює квадрату першого виразу, плюс подвоєний добуток першого і другого виразів, плюс __________
7.
FILL IN THE BLANK QUESTION
2 mins • 1 pt
Добуток суми двох виразів та їхньої різниці дорівнює________
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