Формулы сокращенного умножения

Quiz
•
Mathematics
•
1st - 5th Grade
•
Hard

Nursule Baimakhan
Used 69+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Найди ошибку:
(5+3с) 2 = 25+30с+ 9с 2
(2б 2 -1) 2 = 4б 2 -1
(2b+7cd)(7cd-2b)= 49c 2 d 2 - 4b 2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
представить трехчлен в виде квадрата двучлена 4x 2 +12x+9
(2+3х) 2
(2-3х) 2
(2x-3) 2
(2x+3) 2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Выполнение умножение многочленов (р-5)(р+5)
р 2 -5
р-25
р 2 -25
стр 2+ 25
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Разместите на множителях многочлен 16-x 2
(2-х)(2+х)
(4-х)(4+х)
(4+х)(4+х)
(х-4)(х+4)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Выбери правильную формулу квадрата разности:
(а+b) 2 = а2 +ab+ b2 ;
(аб) 2 = а+2аб+б 2
(аб) 2 =а 2 -2аб+б 2
(аб) 2 = а-2аб+б 2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Выбери верное продолжение тождества (a+b)(ab)=
а 2 + б 2
а 2 -б 2
а-б
а+б
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Замени*, чтобы равенство было верным:
с²-*a²=(с-3а)(с+3а).
3
6
9
-6
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