Multiplying Complex Numbers

Multiplying Complex Numbers

9th - 12th Grade

5 Qs

quiz-placeholder

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Multiplying Complex Numbers

Multiplying Complex Numbers

Assessment

Quiz

Mathematics

9th - 12th Grade

Practice Problem

Medium

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

Standards-aligned

Created by

Stephanie Smith

Used 56+ times

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5 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

What does  i2i^2  equal?

 1\sqrt{-1}  

 1-1  

 i-i  

 11  

Tags

CCSS.HSN.CN.A.1

2.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Multiply the expression
 (6i)(5i)\left(6i\right)\left(5i\right)  

 3030  

 30-30  

 30i30i  

Tags

CCSS.HSA.APR.A.1

3.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Multiply the expression
 2(5  6i)-2\left(5\ -\ 6i\right)  

 10 + 12i-10\ +\ 12i  

 2i-2i  

 10  12i10\ -\ 12i  

 2i2i  

Tags

CCSS.HSA.APR.A.1

4.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Multiply the expression
 5i(2 + 4i)5i\left(2\ +\ 4i\right)  

 30i30i  

 30i330i^3  

 20 + 10i-20\ +\ 10i  

 20  10i20\ -\ 10i  

Tags

CCSS.HSN.CN.A.2

5.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Multiply/simplify the expression
 (3 + 4i)(3 + 4i)\left(3\ +\ 4i\right)\left(3\ +\ 4i\right)  

 7 + 24i-7\ +\ 24i  

 25 + 24i-25\ +\ 24i  

 7 +24i7\ +24i  

 25 +24i25\ +24i  

Tags

CCSS.HSA.APR.A.1