Understanding and using complex number notation

Understanding and using complex number notation

9th Grade

20 Qs

quiz-placeholder

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Understanding and using complex number notation

Understanding and using complex number notation

Assessment

Quiz

Mathematics

9th Grade

Hard

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 45\sqrt{-45} 

 35-3\sqrt{5} 

 5i35i\sqrt{3} 

 3i53i\sqrt{5} 

 53-5\sqrt{3} 

No solution

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Simplify:  64\sqrt{-64}  

 8i-8i  

 i64i\sqrt{64}  

 8i8i  

 4i84i\sqrt{8}  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Solve: w² = -49

± 49i
± 7i
± 7
± 7i√7

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Simplify  729\sqrt{-729}  

 27i27i  

 i27i\sqrt{27}  

 9i819i\sqrt{81}  

 4184\sqrt{18}  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

7

7i

49i

Will Smith in 'Shark Tale'

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Simplify: -√49

7i

7

-7i

-7

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

15

-15

25

-25

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