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Complex Numbers Test B

Authored by Latasha Nelson

Mathematics

9th - 12th Grade

CCSS covered

Complex Numbers Test B
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20 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which is equivalent to -1

i3

i2

√-1
√1

2.

FILL IN THE BLANKS QUESTION

1 min • 1 pt

Find the sum.
(3+4i) + (-6-9i)

(a)  

3.

FILL IN THE BLANKS QUESTION

1 min • 1 pt

What is the result of adding (6 + 3i) and (2 - 5i)?

(a)  

4.

FILL IN THE BLANKS QUESTION

1 min • 1 pt

Calculate:
(5 + 2i) − (-3 − 4i)

(a)  

5.

OPEN ENDED QUESTION

3 mins • 1 pt

Perform the operation and write your answer in standard form

Add 3−(6−i) + (10+7i)−4i3-\left(6-i\right)\ +\ \left(10+7i\right)-4i  

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6.

OPEN ENDED QUESTION

3 mins • 1 pt

(−4i+−64)+(25−3i)\left(-4i+\sqrt{-64}\right)+\left(\sqrt{25}-3i\right)  

*put your answer in standard form, all lower case with no spaces to receive credit. 

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7.

FILL IN THE BLANKS QUESTION

1 min • 1 pt


(−5−i)(8−i)\left(-5-i\right)\left(8-i\right)  



(a)  

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