Вярното разлагане на израза 16x2y3 – 8xy2 – 12x3y4 е:
Разлагане на многочлени

Quiz
•
Mathematics
•
7th Grade
•
Hard
Daniela Krasteva
Used 11+ times
FREE Resource
14 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
4x2y2(4y – 2 – 12xy2)
xy(16xy2 – 8y2 – 12xy2)
4xy2(4xy – 2 – 3x2y2)
4xy2(4xy – 2y – 3x2y2)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Вярното разлагане на многочлена x4y5 – 2x4y6 на множители е:
x4y4(1 – 2y)
x4y4(2y4 – 1)
– x4y4(2y2 – 1)
– x4y5(2y – 1)
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Изразът 9a2 – 12a + 4 в разложен вид е:
(3a + 2)(3a – 2)
(2 – 3a)2
(3a + 2)2
(3a + 4)(3a + 1).
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Многочленът (2x – 4)2 – (– 4)2 се разлага на множители:
4x2 – 16x
4x(x – 4)
2x(x – 4)
не се разлага
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Разлагането на многочлена 3a(a – 1) + 2(a – 1) на множители е:
(a – 1)(3a – 2)
(a – 1)(2 – 3a)
(a + 1)(2 – 3a)
(a – 1)(2 + 3a)
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Кое разлагане на многочлена 15ab + 2 – 3a – 10b на множители е вярно?
(3a + 2)(5b – 1)
(3a + 2)(1 + 5b)
(1 – 5b)(2 – 3a)
(3a – 2)(5b + 1)
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Изразът 5x(x – y) + y(y – x) в разложен вид е:
(5x – y)(y – x)
(5x – y)(x – y)
(5x + y)(x – y)
(5x + y)(y – x)
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