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squares & cubes. & square roots / cube roots.

Authored by Andrea Ortiz

Mathematics

7th - 9th Grade

Used 19+ times

squares & cubes. & square roots / cube roots.
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15 questions

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1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Which is the best approximation for 

 52\sqrt{52}  ?

6.5

7.2

7.8

8.2

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Which is the best approximation for 

 24-\sqrt{24}  ?

-5.1

-4.8

-4.5

4.5

4.8

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Which is the best approximation for 

 172\sqrt{172}  ?

14.1 

12.5 

13.5 

13.1

12.9 

4.

MULTIPLE SELECT QUESTION

3 mins • 1 pt

Select all true statements. 

 ±81= 9 & 9 \pm\sqrt{81}=\ 9\ \&\ -9\   

 81=9-\sqrt{81}=-9  

 81=9\sqrt{-81}=-9  

 83=2\sqrt[3]{-8}​=-2  

 83=2 & 2 \sqrt[3]{8}​=-2\ \&\ 2\   

5.

FILL IN THE BLANK QUESTION

3 mins • 1 pt

 549+255\sqrt{49}+\sqrt{25}  

Evaluate.

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 13\sqrt[3]{1}  

1

1 and -1 

-1

not possible >:-( 

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 13\sqrt[3]{-1}  

1

1 and -1 

-1

not possible >:-( 

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