РІЗНИЦЯ КВАДРАТІВ

РІЗНИЦЯ КВАДРАТІВ

7th Grade

12 Qs

quiz-placeholder

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РІЗНИЦЯ КВАДРАТІВ

РІЗНИЦЯ КВАДРАТІВ

Assessment

Quiz

Mathematics

7th Grade

Medium

Created by

Тетяна Казакова

Used 5+ times

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12 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

( х - 7)(7 + х ) =

Х2 + 7

Х2 - 49

(Х - 7)2


Х+ 49

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

(4b - 1)(4b + 1)=

4b2 - 2

16b2 -1

4b2 - 1

16b - 1

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Виконати множення (с + 3a)(3а - с)=


c2 - 9a2

9a- c2

c+ 9a2

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

(x7 - d5)(x7 + d5)=

x14 - d10

x- d7


x9 + d7

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

(1- x3)(x3+1)=

1 - x6

 x6- 1

1- x9

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Виконайте множення (0,5x - 0,2)(0,5x + 0,2)

0,25x2 - 4


0,25x- 0,04

0,25x2 - 0,4

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Оберіть правильну відповідь

(a - b)(a + b) = a2 + b2

(a - b)(a + b) = a2 - 2ab + b2

(a - b)(a + b) = a2 - b2

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