S i m p l i f y . . . . 4 5 i Simplify....\ \frac{4}{5i} S i m p l i f y . . . . 5 i 4

− 4 i 5 -\frac{4i}{5} − 5 4 i

A complex number can be expressed as a + bi. What does a represent?

depends on the sign of the number

the square root of the complex number

Leon is asked to simplify √-120. A good first step would be to...

replace the negative with an i on the outside of the radical

The complex conjugate can be found by...

Changing the sign of both a and b

If you are adding two complex numbers you should

add only the real numbers together and then add only the complex numbers together then stop

add all the numbers together then divide by 2

add only the real numbers and subtract the complex numbers

add only the complex numbers and subtract the real numbers

You can simplify powers of i by... (Choose all correct answers)

dividing the exponent by 4 then use the remainder to determine the value

multiplying the exponent by 3 and then subtracting 2

Like terms have ________.

the same variable at the same power

the same power but different variables

the same variable but different powers

Operations of Complex Numbers

Authored by Stacey Karpowicz-Boring

Mathematics

10th - 12th Grade

CCSS covered

Used 51+ times

AI Actions

Add similar questions

Adjust reading levels

Convert to real-world scenario

Translate activity

More...

Content View

Student View

30 questions

Show all answers

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What does i² = ?

-1

√-1

-√1

Tags

CCSS.HSN.CN.A.1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the "real part" of the complex number (-2+7i)?

-2

-7i

Tags

CCSS.6.EE.A.2B

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the "imaginary part" of the complex number (-2+7i)?

-2

-7i

Tags

CCSS.6.EE.A.2B

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Simplify i³⁷

-i

-1

Tags

CCSS.HSN.CN.A.2

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Simplify i²⁴

-1

-i

Tags

CCSS.HSN.CN.A.1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

-5i

5+i

-5

Tags

CCSS.HSN.CN.A.2

CCSS.HSN.CN.A.1

CCSS.HSN.CN.B.4

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Simplify.

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

CCSS.HSN.RN.A.2

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

$\left(\sqrt{25}-2i\right)+\left(-7+2\sqrt{-16}\right)$

-2+6i

12+6i

-35-16i²

-35 -16i

Tags

CCSS.HSN.CN.A.2

CCSS.HSN.CN.A.1

Access all questions and much more by creating a free account

Create resources

Host any resource

Get auto-graded reports

Continue with Google

Continue with Email

Continue with Classlink

Continue with Clever

or continue with

Microsoft

Apple

Others

Already have an account?

Similar Resources on Wayground

25 questions

Application of differentiation

Quiz

•

9th - 12th Grade

25 questions

statistics

Quiz

•

8th - 11th Grade

25 questions

Year 10 Week 1 & 2

Quiz

•

9th - 10th Grade

25 questions

Set Notation

Quiz

•

10th Grade - University

25 questions

Ujian Matematika NUU

Quiz

•

9th - 12th Grade

26 questions

Pythag and Arithmetic Revision

Quiz

•

9th - 12th Grade

26 questions

Quadratic Equations Quiz

Quiz

•

10th Grade

25 questions

Integers

Quiz

•

7th - 12th Grade

Popular Resources on Wayground

15 questions

Fractions on a Number Line

Quiz

•

3rd Grade

20 questions

Equivalent Fractions

Quiz

•

3rd Grade

25 questions

Multiplication Facts

Quiz

•

5th Grade

29 questions

Alg. 1 Section 5.1 Coordinate Plane

Quiz

•

9th Grade

$fractions$

22 questions

fractions

Quiz

•

3rd Grade

11 questions

FOREST Effective communication

Lesson

•

20 questions

Main Idea and Details

Quiz

•

5th Grade

20 questions

Context Clues

Quiz

•

6th Grade

Discover more resources for Mathematics

20 questions

SSS/SAS

Quiz

•

9th - 12th Grade

14 questions

Making Inferences From Samples

Quiz

•

7th - 12th Grade

23 questions

CCG - CH8 Polygon angles and area Review

Quiz

•

9th - 12th Grade

15 questions

Module 3 Topic 1 Vocabulary Quiz

Quiz

•

10th Grade

16 questions

Properties of Quadrilaterals

Quiz

•

11th Grade

20 questions

Domain and Range Spiral Review

Quiz

•

9th - 12th Grade

15 questions

Characteristics of Quadratics

Quiz

•

9th - 10th Grade

20 questions

Triangle Proportionality Theorem

Quiz

•

9th - 10th Grade

Operations of Complex Numbers

What does i² = ?

What is the "real part" of the complex number (-2+7i)?

What is the "imaginary part" of the complex number (-2+7i)?

Simplify i³⁷

Simplify i²⁴

Simplify.

$\left(\sqrt{25}-2i\right)+\left(-7+2\sqrt{-16}\right)$

Find the sum.
(5-2i) + (-7+8i)

What is the simplifies form of (11 - 7i) - (-3 + 12i)

Access all questions and much more by creating a free account

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Mathematics

Operations of Complex Numbers

What does i2 = ?

What is the "real part" of the complex number (-2+7i)?

What is the "imaginary part" of the complex number (-2+7i)?

Simplify i37

Simplify i24

Simplify.

(25−2i)+(−7+2−16)\left(\sqrt{25}-2i\right)+\left(-7+2\sqrt{-16}\right)(25​−2i)+(−7+2−16​)

Find the sum.(5-2i) + (-7+8i)

What is the simplifies form of (11 - 7i) - (-3 + 12i)

Access all questions and much more by creating a free account

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Mathematics

What does i² = ?

Simplify i³⁷

Simplify i²⁴

$\left(\sqrt{25}-2i\right)+\left(-7+2\sqrt{-16}\right)$

Find the sum.
(5-2i) + (-7+8i)