Формулы сокращенного умножения
Authored by валентина сумина
Mathematics
1st Grade
Used 401+ times
AI Actions
Add similar questions
Adjust reading levels
Convert to real-world scenario
Translate activity
More...
Content View
Student View
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Раскройте скобки (x+2y)2
х2+4ху+4у2
х2+4ху+2у2
х2+4у2
х2+2ху+2у2
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Раскройте скобки (2а-3)2
4а2-6а+9
4а2-12а+9
2а2-12а+9
4а2-9
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Допишите равенство: (3a + 2b)2 = 9a2 + 12ab + …
4b2
8b
2b2
4a2
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Раскройте скобки: (2a + 5)2
4a2 +10a+25
4a2 +20a+25
2a2 +20a+25
2a2 +10a+25
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Возведите в куб двучлен 3х + 2:
27x3 +54x2 +12x+8
27x3 +18x2 +12x+8
9x3 +18x+8
27x3 +54x2 +36x+8
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Замените звездочку (*) одночленом так, чтобы получилось верное равенство.
(7x + 1)2 = (*) + 14x + 1
7x2
49x2
14x2
49x
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Разложите на множители: 100 - k6:
(10-k3)(10+k3)
(10-k4)(10+k2)
(k3 -10 )(10+k3)
(k3 -10)(k3 +10)
Access all questions and much more by creating a free account
Create resources
Host any resource
Get auto-graded reports
Continue with Google
Continue with Email
Continue with Microsoft
or continue with
%20(1).png)
Apple
Others
By signing up, you agree to our Terms of Service & Privacy Policy
Already have an account?
