
Тест върху цели изрази
Authored by Ваня Иванова
Mathematics
7th Grade
Used 1+ times

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18 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Нормалната форма на монома -a2x3.(-2ax2y) е:
-2a3x5y
2a3x5y
2a2x6y
-2a2x6y
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Многочленът 2xy2-ax3-3xy2+ax3+x-5 е идентично равен на:
-xy2+x+5
5xy2-5
-xy2-2ax3+x-5
-5xy2-5
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ако 'a' е параметър, а 'x' е променлива, полиномът, равен на израза (ax-3)(x2+2x-1), има коефициент на втория степен 1, когато 'a' е равно на:
-2
-1
1
2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Изразът 9a2-12a+4 в факторизирана форма е:
(3a+2)(3a-2)
(3a-2)2
(3a+2)2
(3a+4)(3a+1)
5.
OPEN ENDED QUESTION
3 mins • 1 pt
Определете израза (x-2)2-(x-3)(2x-1):
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6.
OPEN ENDED QUESTION
3 mins • 1 pt
Факторирате израза x2+6x+8:
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OFF
7.
OPEN ENDED QUESTION
3 mins • 1 pt
Дадено израза (x2-2)(3x3-5x-3), намерете:
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OFF
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