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Разлагане на многочлени

Authored by Daniela Krasteva

Mathematics

7th Grade

CCSS covered

Used 13+ times

Разлагане на многочлени
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14 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 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

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).

Tags

CCSS.HSA.APR.C.4

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

Tags

CCSS.HSA.APR.C.4

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)

Tags

CCSS.7.EE.A.1

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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