Формули скороченого множення 7 клас
Quiz
•
Mathematics
•
7th Grade
•
Hard
Olena Domotska
Used 35+ times
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12 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Різниця квадратів записується ….
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Яка з рівностей правильна?
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Неповним квадратом суми виразів х і у є вираз …
х2 – ху + у2
х2 + ху – у2
х2 + 2ху + у2
х2 + ху + у2
5.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
Розв´яжіть рівняння у2 – 25 = 0, використовуючи формули скороченого множення. У відповідь запишіть суму коренів
0
5
-5
-10
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Обчисліть, використовуючи формули скороченого множення 52² – 42²
100
940
94
10
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Подайте у вигляді многочлена (2х – 1)2
2х2 – 1
4х2 - 1
4х2 – 4х - 1
4х2 - 4х + 1
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