Тест върху "Цели изрази"
Mathematics
7th Grade
Used 38+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Изразът (3x-1)2 е тъждествено равен на:
3x2 - 6x + 1
3x2 - 6x - 1
9x2 - 6x - 1
9x2 - 6x + 1
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Нормалният вид на израза (3x+2)2 - (2x-3)2 е:
5x2 + 24x - 5
5x2 - 5
-x2 + 24x - 5
x2 + 24x - 5
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Степента на едночлена 7а2х2у3ах е:
7
6
9
5
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Коефициентът пред третата степен та х в нормалния вид на многочлена х4+2х3-5ах2-4х3-а3 е:
-2-а
2
-4
-2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Дадени са многочлените А= х2-5 и В= 3х-7. Намерете 2А+В
х2+3х-12
2х2+3х-12
2х2+3х-17
х2+3х+2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Коефициента на едночлена -4ах(-a)y е:
-4
4
-4а
4а2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Направете приведение 2х-7х+3х-х+5х-х
х6
-2х
х
6х
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