
тождественные преобразования
Authored by Алия Нысанбекова
Mathematics
1st - 12th Grade
Used 6+ times

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6 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Представьте в виде многочлена (4х – 5у)2
16х2 -40ху + 25у2
4х2 -20ху + 5у2
16х2 -20ху + 25у2
16х2 + 20ху + 25у2.
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Представьте в виде квадрата двучлена:
49х2 – 70ху + 25у2.
(7х + 5у)2
(7х – 5у)2 ;
(5х – 7у)2
(5х + 7у)2.
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Упростите выражение:
6а - (4а – 3)2.
-16а2 +30а –9
8а2+18а-9
8а2 -12а+6
16а2 -30а + 9;
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Решите уравнение : х2 +16х + 64=0
- 4
4
-8
8
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Решите уравнение
х2 -8х + 16=0.
- 4
8
-8
4
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Представьте выражение в виде многочлена
(2х – 3) (2х + 1) - (2х + 1)2
8х-2
- 8х + 1
-8х-4
- 4
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