Формулы сокращенного умножения

Формулы сокращенного умножения

1st - 12th Grade

14 Qs

quiz-placeholder

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Формулы сокращенного умножения

Формулы сокращенного умножения

Assessment

Quiz

Mathematics

1st - 12th Grade

Practice Problem

Hard

Created by

Раушан Мынболовна

Used 68+ times

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14 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Найди ошибку:

(5+3с)2= 25+30с+ 9с2

(2b2-1)2= 4b2-1

(2b+7cd)(7cd-2b)= 49c2d2- 4b2

2.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Представьте трехчлен в виде квадрата двучлена 4x2 +12x+9

(2+3х)2

(2-3х)2

(2x-3)2

(2x+3)2

3.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Выполни умножение многочленов (р-5)(р+5)

p2-5

p-25

p2-25

p2+25

4.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Разложите на множители многочлен 16-x2

(2-x)(2+x)

(4-x)(4+x)

(4+x)(4+x)

(x-4)(x+4)

5.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Выбери правильную формулу квадрата разности:

(a+b)2=a2+ab+b2;

(a-b)2=a+2ab+b2

(a-b)2=a2-2ab+b2

(a-b)2=a-2ab+b2

6.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Выбери верное продолжение тождества (a+b)(a-b)=

a2+b2

a2-b2

а-b

a+b

7.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Замени*, чтобы равенство было верным:

с²-*a²=(с-3а)(с+3а).

3

6

9

-6

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