(Sept. 20, 2023)Adding, Subtracting, Multiplying Complex Numbers

(Sept. 20, 2023)Adding, Subtracting, Multiplying Complex Numbers

9th - 12th Grade

14 Qs

quiz-placeholder

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(Sept. 20, 2023)Adding, Subtracting, Multiplying Complex Numbers

(Sept. 20, 2023)Adding, Subtracting, Multiplying Complex Numbers

Assessment

Quiz

Mathematics

9th - 12th Grade

Medium

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

+1

Standards-aligned

Created by

Afretina Pickens

Used 3+ times

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14 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Simplify the expression:
 (5 + 14i)  (10 + 2i)\left(5\ +\ 14i\right)\ -\ \left(10\ +\ 2i\right)  

 5 16i5\ -16i  

 5 + 16i-5\ +\ 16i  

 5  12i5\ -\ 12i  

 5 + 12i-5\ +\ 12i  

Tags

CCSS.HSN.CN.A.2

2.

MULTIPLE CHOICE QUESTION

15 mins • 12 pts

(5-i)(5-i)

15-8i
36
24+10i
24-10i

Tags

CCSS.HSN.CN.C.8

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Simplify: (1 + 3i) + (7  2i)\left(1\ +\ 3i\right)\ +\ \left(7\ -\ 2i\right)  

8+i

i+8

8+5i

5i+8

Tags

CCSS.HSN.CN.A.2

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Simplify the expression:
 (8 + 9i) + (4  6i)\left(8\ +\ 9i\right)\ +\ \left(4\ -\ 6i\right)  

 17 + 3i17\ +\ 3i  

 12 + 3i212\ +\ 3i^2  

 17 2i17\ -2i  

 12 + 3i12\ +\ 3i  

Tags

CCSS.HSN.CN.A.2

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

(-3-i)(6-i)

-21-7i
-19-3i
-15-5i
-17-9i

Tags

CCSS.HSN.CN.A.2

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Simplify the expression:
 (5 + 4i)  (1  2i)\left(5\ +\ 4i\right)\ -\ \left(-1\ -\ 2i\right)  

 6 +6i6\ +6i  

 4 + 2i4\ +\ 2i  

 6  6i6\ -\ 6i  

 4  2i4\ -\ 2i  

Tags

CCSS.HSN.CN.A.2

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

(2i)(3i)

5i
-5
6i
-6

Tags

CCSS.HSN.CN.C.8

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