Add, Sub, Mult, & Div of Complex Numbers

Add, Sub, Mult, & Div of Complex Numbers

10th - 12th Grade

25 Qs

quiz-placeholder

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Add, Sub, Mult, & Div of Complex Numbers

Add, Sub, Mult, & Div of Complex Numbers

Assessment

Quiz

Mathematics

10th - 12th Grade

Medium

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

+4

Standards-aligned

Created by

George Brown

Used 7+ times

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25 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Simplify: 
(7 + 2i)(9 - 6i)
75-24i
63 - 24i  - 12i2
51 - 24i
58 + 60i

Tags

CCSS.HSN.CN.A.2

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Find the sum.
(5-2i) + (-7+8i)
-2+6i
12+6i
-35-16i2
-35 -16i

Tags

CCSS.HSN.CN.A.2

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Simplify:

 23\sqrt{-23}  

 23-\sqrt{23}  

 23i23i  

 2323  

 i23i\sqrt{23}  

4.

MULTIPLE CHOICE QUESTION

3 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

5.

MULTIPLE CHOICE QUESTION

2 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

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 49\sqrt{-\frac{4}{9}}  

 23-\frac{2}{3}  

 23i\frac{2}{3}i  

 23\frac{2}{3}  

 23i2\frac{2}{3}i^2  

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Calculate: (47i)(3+6i)\left(4-7i\right)-\left(-3+6i\right)  


 713i7-13i  

 7i7-i  

 113i1-13i  

 1i1-i  

Tags

CCSS.HSN.CN.A.2

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