тест формулы сокращенного умножения
Authored by Татьяна Самойлова
Mathematics
7th - 8th Grade
Used 40+ times
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6 questions
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1.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Возвести в квадрат сумму 4+3х
4+12х+3х2
16+24х +9х2
9х2+12х+16
2.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Преобразуйте выражение в многочлен : (3у+2х)2
9у2+12ху+4х2
9у2+10ху+4х2
9у2+20ху+4х2
9у2-12ху+2х2
3.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Выполните умножение: (а + 2)(2 - а)
а2 - 4
а2 + 4
4 - а2
4.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Разложите на множители: 49m4 - 144n2
(7m - 12n)(7m + 12n)
(7m2 - 12n)(7m2 + 12n)
(7m3 + 12n)(7m3 + 12n)
5.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Представьте в виде многочлена: (6-m)2
36-12m+m2
36+12m+m2
6-12m+m2
36+12m+m
6.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
формула сумма кубов
a3+b3=(a-b)(a2−ab+b2)
3a+3b=(a+b)(a2−ab+b2)
a3+b3=(a+b)(a2−ab+b2)
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