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Quiz
•
Mathematics
•
8th Grade
•
Hard

Raya Nalyotenko
Used 31+ times
FREE Resource
8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какой формулы сокращенного умножения не существует?
(a+b)2
a2+b2
a3+b3
(a+b)3
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Допишите равенство: (a+2b)2=a2+4ab+...
2b2
3b2
4b2
5b
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Раскрыть скобки: (2a+5)2
4a2+10a+25
4a2+20a+25
2a2+20a+25
a2+20a+25
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Заменить звездочку (*) одночленом так, чтобы получилось верное равенство. (7x+1)2=(*)+14x+1
x2
14x2
7x2
49x2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Разложите на множители: 100 - k6
(10 - k3)(10 + k3)
(10 - k2)(10 + k2)
(k3 - 10)(k3 + 10)
(10 - k4)(10 + k2)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Замените знак * таким одночленом, чтобы полученное выражение можно было представить в виде квадрата двучлена: * - 28pq + 49q2
2p2
4
8p2
4p2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Раскрыть скобки: (2x2+3y2)2
4x6+12x2y2+9y4
4x6+6x3y2+9y4
4x3+12x3y2+9y4
8.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Возведите в куб двучлен 3х + 2:
27х3 + 54 х2 + 36х + 8
27х3 + 36х2 + 54х +8
9х3 + 18х + 8
9х3+4
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