(3х-1)2

тест 8 алгебра

Quiz
•
Mathematics
•
8th Grade
•
Hard
Anastasia Danilova
Used 76+ times
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11 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
9х2-1
9х2-6х-1
9х2-3х+1
9х2-6х+1
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
(3х-1)(3х+1)
9х2 +1
9х2 -1
3х2 -1
9х2 -6х+1
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
раскройте скобки: -3х(2-х)
-6х-х
-6х-3х2
-6х+3х2
-6х-6х=-12х
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
представьте ввиде произведения: 1-9а2
(1-3а)2
(1+3а)(1-3а)
(3а-1)(3а+1)
(1-9а)(1+а)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
представьте ввиде произведения: 1+6а+9а2
(1-3а)2
(1-3а)(1+3а)
(1+3а)2
(1+9а)2
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
упростите: (в4)3 :в5 *в
в3
в8
в
в6
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
вычислите:
1,1
0,11
0,011
11
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