
Формули скороченого множення

Quiz
•
Mathematics
•
11th Grade
•
Hard
Лариса Мамедова
Used 2+ times
FREE Resource
11 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Яка з наведених формул є формулою різниці квадратів?
a2+2ab+b2
a2+b2
a2-b2
a2- 2ab+b2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Яка з наведених формул є формулою квадратa різниці?
а2-b2=(а-b)(а+b)
(а+b)2=а2+2аb+b2
(а-b)2=а2-аb + b2
(а-b)2=а2 -2аb+b2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Яка з наведених формул є формулою квадрата суми?
а2-b2=(а-b)(а+b)
(а+b)2=а2+2аb + b2
(а -b)2=а2- аb + b2
(а-b)2=а2 -2аb + b2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Яка з наведених формул є формулою різницею кубів?
(a-b)(a2-ab-b2)
(a+b)(a2-ab+b2)
(a-b)(a2-2ab+b2)
(a-b)(a2+ab+b2)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Яка з наведених формул є формулою сумою кубів?
(a+b)(a2-ab+b2)
(a+b)(a2-2ab+b2)
(a-b)(a2+ab+b2)
(a+b)(a2+2ab+b2)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Якому многочлену дорівнює вираз (7 - x) (7 + x) = .
14-х
49+х2
14+2х
49-х2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Виконайте піднесення до квадрата: (3 – a)² =
3 – 6a + a²
9 + 6a + a²
9 – 6a + a²
9 – 2a + a²
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