Формулы сокращенного умножения
Quiz
•
Mathematics
•
1st - 12th Grade
•
Hard
Раушан Мынболовна
Used 68+ times
FREE Resource
14 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Найди ошибку:
(5+3с)2= 25+30с+ 9с2
(2b2-1)2= 4b2-1
(2b+7cd)(7cd-2b)= 49c2d2- 4b2
2.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Представьте трехчлен в виде квадрата двучлена 4x2 +12x+9
(2+3х)2
(2-3х)2
(2x-3)2
(2x+3)2
3.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Выполни умножение многочленов (р-5)(р+5)
p2-5
p-25
p2-25
p2+25
4.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Разложите на множители многочлен 16-x2
(2-x)(2+x)
(4-x)(4+x)
(4+x)(4+x)
(x-4)(x+4)
5.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Выбери правильную формулу квадрата разности:
(a+b)2=a2+ab+b2;
(a-b)2=a+2ab+b2
(a-b)2=a2-2ab+b2
(a-b)2=a-2ab+b2
6.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Выбери верное продолжение тождества (a+b)(a-b)=
a2+b2
a2-b2
а-b
a+b
7.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Замени*, чтобы равенство было верным:
с²-*a²=(с-3а)(с+3а).
3
6
9
-6
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