
многочлени
Authored by Диана Данова
Mathematics
7th Grade
CCSS covered
Used 7+ times

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12 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Вярното разлагане на израза 16x2y3 – 8xy2 – 12x3y4 е:
4x2y2(4y – 2 – 12xy2)
xy(16xy2 – 8y2 – 12xy2)
4xy2(4xy – 2 – 3x2y2)
4xy2(4xy – 2y – 3x2y2)
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Нормалният вид на многочлена (2a + 5)2 + (5 – 2a)2 е:
8a2 + 50
25 – 4a4
4a2 + 10
8a4 + 50
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Кой от многочлените е тъждествено равен на израза: (5х –3)( 3 +5х)
25.х2 – 9
9 – 25.х2
10.х-9
10.х2-9
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Степента на едночлена 7а2х2у3ах е:
7
6
9
5
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Коефициентът пред x в нормалния вид на многочлена
е равен на: (-x-1)2+ (x+3).(x2 -3x+9) -2.x(x+1)
–2
4
2
0
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Изразът
е тъждествено равен на:
Tags
CCSS.6.EE.A.3
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Единият от множителите при разлагането на многочлена у2 – х2 + 2х – 1 на множители е:
у – х – 1
у + х + 1
у – х + 1
х + 1 – у
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