Add/Sub/Mult Complex Numbers & Reducing Radicals

Add/Sub/Mult Complex Numbers & Reducing Radicals

9th - 12th Grade

19 Qs

quiz-placeholder

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Add/Sub/Mult Complex Numbers & Reducing Radicals

Add/Sub/Mult Complex Numbers & Reducing Radicals

Assessment

Quiz

Mathematics

9th - 12th Grade

Medium

CCSS
HSN.CN.A.2, HSN.CN.C.8, HSN.CN.A.1

Standards-aligned

Created by

Brittany Brown

Used 2+ times

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19 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Simplify: 

 18\sqrt{18}  

9

 9\sqrt{9}  

 323\sqrt{2}  

 232\sqrt{3}  

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Simplify the radical.....

 4284\sqrt{28}  

 474\sqrt{7}  

 8288\sqrt{28}  

 878\sqrt{7}  

8

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Simplify:

 23\sqrt{-23}  

 23-\sqrt{23}  

 23i23i  

 2323  

 i23i\sqrt{23}  

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Simplify: 

 48-\sqrt{-48}  

 4i34i\sqrt{3}  

 4i3-4i\sqrt{3}  

 i48i\sqrt{48} 

 48i-48i 

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Simplify: 

 25\sqrt{-25}  

 i25i\sqrt{25}  

 5i5i  

 5i-5i 

 25i25i  

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Multiply:  (43i)(72i)\left(4-3i\right)\left(-7-2i\right)  

 23+13i-23+13i  

 2329i-23-29i  

 34+13i-34+13i  

 3429i-34-29i  

Tags

CCSS.HSN.CN.A.2

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Simplify: (10+15i)(4830i)\left(10+15i\right)-\left(48-30i\right)  


 5845i58-45i  

 5815i58-15i  

 3815i-38-15i  

 38+45i-38+45i  

Tags

CCSS.HSN.CN.A.2

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