Формулы сокращенного умножения
Quiz
•
Mathematics
•
5th - 8th Grade
•
Practice Problem
•
Hard
Татьяна Захарова
Used 117+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Выполните преобразование : (у + 4)2
у2 + 16
у2 + 4у + 16
у2 + 8у + 16
у2 + 2у + 16
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Выполните умножение : (а + 2)(2 - а)
а2 - 4
а2 + 4
4 - а2
4 - а
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Разложить на множители: 3х2 - 12
3(x2 - 4)
3(х - 2)(х + 2)
3(х + 2)2
4(х + 2)2
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Допишите равенство: (3a+2b)2=9a2+12ab+…
4b2
8b
2b2
-4b2
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Разложите на множители: 100 - k6
(10 - k3)(10 + k3)
(10 - k4)(10 + k2)
(k3 - 10)(k3 + 10)
нет правильного
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Преобразуйте многочлен: (a2 - 3b)2
9a2 - b4
9a2 - 6ab2 + b4
a4 - 6a2b + 9b
a4 - 9b2
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Какое из предложенных тождеств называют разностью квадратов двух выражений?
а2+b2=(a-b)(a+b)
а2-2ab+b2=(a-b)2
а2+2ab+b2=(a+b)2
а2-b2=(a-b)(a+b)
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