radicali

radicali

7th Grade

10 Qs

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radicali

radicali

Assessment

Quiz

Mathematics

7th Grade

Practice Problem

Medium

Created by

STEAVU CRISTINA-ELENA

Used 20+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 49+12125\sqrt{49}+\sqrt{121}-\sqrt{25}  

 13\sqrt{13}  

13

23

 23\sqrt{23}  

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 36:4+981\sqrt{36}:\sqrt{4}+\sqrt{9}\cdot\sqrt{81} 

12

23

45

30

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 35(511)=-3\sqrt{5}\cdot\left(-5\sqrt{11}\right)= 

 1555-15\sqrt{55}  

 451145\sqrt{11}  

 155515\sqrt{55}  

 30530\sqrt{5}  

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 180\sqrt{180}  

 3103\sqrt{10}  

 6106\sqrt{10}  

 656\sqrt{5}  

 666\sqrt{6}  

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 62+82=\sqrt{6^2+8^2}=  

10

14

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media aritmetică a numerelor

 3+53+\sqrt{5}  și

 555-\sqrt{5}  

4

8

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

După raționalizarea numitorului,

 13=\frac{1}{\sqrt{3}}=  

 33\frac{\sqrt{3}}{3}  

 3\sqrt{3}  

 36\frac{\sqrt{3}}{6}  

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