Radicali

Radicali

7th Grade

8 Qs

quiz-placeholder

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Radicali

Radicali

Assessment

Quiz

Mathematics

7th Grade

Hard

Created by

Sara Frisan

Used 6+ times

FREE Resource

8 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 121=\sqrt{121}=  

11

12

13

14

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 787=\sqrt{7}-8\sqrt{7}=  

 979\sqrt{7}  

 97-9\sqrt{7}  

 777\sqrt{7}  

 77-7\sqrt{7}  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 108=\sqrt{108}=  

 1212  

 666\sqrt{6}  

 626\sqrt{2}  

 636\sqrt{3}  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 53=-5\sqrt{3}=  

 75-\sqrt{75}  

 75\sqrt{75}  

 15-\sqrt{15}  

 15\sqrt{15}  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 253\frac{2\sqrt{5}}{\sqrt{3}}  =

 233 \frac{2\sqrt{3}}{3}\   

 2153\frac{2\sqrt{15}}{3}  

 283\frac{2\sqrt{8}}{3}  

 105\frac{10}{\sqrt{5}}  

6.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Media aritmetică a numerelor 3, 10 și 11 este:

7.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Media geometrică a numerelor 3 și 12 este:

8.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Mulțimea soluțiilor ecuației

 x2 5=20x^{2\ }-5=20  este

 S={5}S=\left\{5\right\}  

 S={5; 5}S=\left\{-5;\ 5\right\}  

 S={5; 5}S=\left\{-\sqrt{5};\ \sqrt{5}\right\}