Формулы сокращенного умножения

Формулы сокращенного умножения

5th - 8th Grade

10 Qs

quiz-placeholder

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Формулы сокращенного умножения

Формулы сокращенного умножения

Assessment

Quiz

Mathematics

5th - 8th Grade

Practice Problem

Hard

Created by

Татьяна Захарова

Used 117+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Выполните преобразование : (у + 4)2

у2 + 16

у2 + 4у + 16

у2 + 8у + 16

у2 + 2у + 16

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Выполните умножение : (а + 2)(2 - а)

а2 - 4

а2 + 4

4 - а2

4 - а

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Разложить на множители: 3х2 - 12

3(x2 - 4)

3(х - 2)(х + 2)

3(х + 2)2

4(х + 2)2

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Допишите равенство: (3a+2b)2=9a2+12ab+…

4b2

8b

2b2

-4b2

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Разложите на множители: 100 - k6

(10 - k3)(10 + k3)

(10 - k4)(10 + k2)

(k3 - 10)(k3 + 10)

нет правильного

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Преобразуйте многочлен: (a2 - 3b)2

9a2 - b4

9a2 - 6ab2 + b4

a4 - 6a2b + 9b

a4 - 9b2

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Какое из предложенных тождеств называют разностью квадратов двух выражений?

а2+b2=(a-b)(a+b)

а2-2ab+b2=(a-b)2

а2+2ab+b2=(a+b)2

а2-b2=(a-b)(a+b)

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