Формулы сокращенного умножения

Quiz
•
Mathematics
•
8th - 9th Grade
•
Medium
Alexandra Radova
Used 10+ times
FREE Resource
7 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Дописать равенство: (3a+2b)2=9a2+12ab+…
4b2
8b
2b2
6ab
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Раскрыть скобки: (2a+5)2
(2a+5)(2a-5)
2a2-20ab+25
4a2+10a+25
4a2+20a+25
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Возведите в куб двучлен (3х + 2)3:
27х3+ 54 х2 + 36х + 8
27х3+ 36х2 + 54х +8
9х3 + 18х + 8
(3x+2)(9x2-6x+8)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Заменить звездочку (*) одночленом так, чтобы получилось верное равенство. (7x+1)2=(*)+14x+1
49x2
7x2
14x2
21x
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)
(k2+10)(k6-10)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Представить в виде степени: 252+40xy+16y2
(25x+4y)2
(5x+4y)2
(25x+16y)2
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Выполните возведение в квадрат: (7b + b5)2:
49b2 + 7b6 + b10
49b2 + 14b6 + b10
7b2 + 14b2 + 7b2
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