Пятница 13-е (8 класс)

Пятница 13-е (8 класс)

8th Grade

13 Qs

quiz-placeholder

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Пятница 13-е (8 класс)

Пятница 13-е (8 класс)

Assessment

Quiz

Mathematics

8th Grade

Medium

Created by

Анна Лисицкая

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13 questions

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1.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Media Image

Найдите значение выражения

 96+24216\sqrt{96}+\sqrt{24}-\sqrt{216}  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Выберите наибольшее число

333\sqrt{3}

262\sqrt{6}

29\sqrt{29}

424\sqrt{2}

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

 (a+b)(ba)\left(\sqrt{a}+\sqrt{b}\right)\left(\sqrt{b}-\sqrt{a}\right)  

 aba-b  

 bab-a  

 a2ab+ba-2\sqrt{ab}+b  

 a+2ab+ba+2\sqrt{ab}+b  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Выберите разложение выражения 9a9-a на множители: 

 (9a)(9+a)\left(9-a\right)\left(9+a\right)  

 (3a)(3+a)\left(3-a\right)\left(3+a\right)  

 (3a)(3+a)\left(\sqrt{3}-\sqrt{a}\right)\left(\sqrt{3}+\sqrt{a}\right)  

 (3a)(3+a)\left(3-\sqrt{a}\right)\left(3+\sqrt{a}\right)  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Вынесите множитель из-под знака арифметического квадратного корня n6, n0\sqrt{n^6},\ n\le0  

 n3n^3  

 n3-n^3  

 n6n^6  

 n6-n^6  

 n2n^2  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Внесите множитель под знак квадратного корня

 a2, a<0a\sqrt{2},\ a<0  

 2a2\sqrt{2a^2}  

 2a\sqrt{2a}  

 2a2-\sqrt{2a^2}  

 2a-\sqrt{2a}  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Является ли число 3 решением системы неравенств?

не является

является

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