Simplify − 23 \sqrt{-23} − 2 3 <path d="M95,702c-2.7,0,-7.17,-2.7,-13.5,-8c-5.8,-5.3,-9.5, -10,-9.5,-14c0,-2,0.3,-3.3,1,-4c1.3,-2.7,23.83,-20.7,67.5,-54c44.2,-33.3,65.8, -50.3,66.5,-51c1.3,-1.3,3,-2,5,-2c4.7,0,8.7,3.3,12,10s173,378,173,378c0.7,0, 35.3,-71,104,-213c68.7,-142,137.5,-285,206.5,-429c69,-144,104.5,-217.7,106.5, -221c5.3,-9.3,12,-14,20,-14H400000v40H845.2724s-225.272,467,-225.272,467 s-235,486,-235,486c-2.7,4.7,-9,7,-19,7c-6,0,-10,-1,-12,-3s-194,-422,-194,-422 s-65,47,-65,47z M834 80H400000v40H845z">

i 23 i\sqrt{23} i 2 3 <path d="M95,702c-2.7,0,-7.17,-2.7,-13.5,-8c-5.8,-5.3,-9.5, -10,-9.5,-14c0,-2,0.3,-3.3,1,-4c1.3,-2.7,23.83,-20.7,67.5,-54c44.2,-33.3,65.8, -50.3,66.5,-51c1.3,-1.3,3,-2,5,-2c4.7,0,8.7,3.3,12,10s173,378,173,378c0.7,0, 35.3,-71,104,-213c68.7,-142,137.5,-285,206.5,-429c69,-144,104.5,-217.7,106.5, -221c5.3,-9.3,12,-14,20,-14H400000v40H845.2724s-225.272,467,-225.272,467 s-235,486,-235,486c-2.7,4.7,-9,7,-19,7c-6,0,-10,-1,-12,-3s-194,-422,-194,-422 s-65,47,-65,47z M834 80H400000v40H845z">

− 23 -\sqrt{23} − 2 3 <path d="M95,702c-2.7,0,-7.17,-2.7,-13.5,-8c-5.8,-5.3,-9.5, -10,-9.5,-14c0,-2,0.3,-3.3,1,-4c1.3,-2.7,23.83,-20.7,67.5,-54c44.2,-33.3,65.8, -50.3,66.5,-51c1.3,-1.3,3,-2,5,-2c4.7,0,8.7,3.3,12,10s173,378,173,378c0.7,0, 35.3,-71,104,-213c68.7,-142,137.5,-285,206.5,-429c69,-144,104.5,-217.7,106.5, -221c5.3,-9.3,12,-14,20,-14H400000v40H845.2724s-225.272,467,-225.272,467 s-235,486,-235,486c-2.7,4.7,-9,7,-19,7c-6,0,-10,-1,-12,-3s-194,-422,-194,-422 s-65,47,-65,47z M834 80H400000v40H845z">

Simplify − 81 \sqrt{-81} − 8 1 <path d="M95,702c-2.7,0,-7.17,-2.7,-13.5,-8c-5.8,-5.3,-9.5, -10,-9.5,-14c0,-2,0.3,-3.3,1,-4c1.3,-2.7,23.83,-20.7,67.5,-54c44.2,-33.3,65.8, -50.3,66.5,-51c1.3,-1.3,3,-2,5,-2c4.7,0,8.7,3.3,12,10s173,378,173,378c0.7,0, 35.3,-71,104,-213c68.7,-142,137.5,-285,206.5,-429c69,-144,104.5,-217.7,106.5, -221c5.3,-9.3,12,-14,20,-14H400000v40H845.2724s-225.272,467,-225.272,467 s-235,486,-235,486c-2.7,4.7,-9,7,-19,7c-6,0,-10,-1,-12,-3s-194,-422,-194,-422 s-65,47,-65,47z M834 80H400000v40H845z">

− 81 -\sqrt{81} − 8 1 <path d="M95,702c-2.7,0,-7.17,-2.7,-13.5,-8c-5.8,-5.3,-9.5, -10,-9.5,-14c0,-2,0.3,-3.3,1,-4c1.3,-2.7,23.83,-20.7,67.5,-54c44.2,-33.3,65.8, -50.3,66.5,-51c1.3,-1.3,3,-2,5,-2c4.7,0,8.7,3.3,12,10s173,378,173,378c0.7,0, 35.3,-71,104,-213c68.7,-142,137.5,-285,206.5,-429c69,-144,104.5,-217.7,106.5, -221c5.3,-9.3,12,-14,20,-14H400000v40H845.2724s-225.272,467,-225.272,467 s-235,486,-235,486c-2.7,4.7,-9,7,-19,7c-6,0,-10,-1,-12,-3s-194,-422,-194,-422 s-65,47,-65,47z M834 80H400000v40H845z">

Simplify − 45 \sqrt{-45} − 4 5 <path d="M95,702c-2.7,0,-7.17,-2.7,-13.5,-8c-5.8,-5.3,-9.5, -10,-9.5,-14c0,-2,0.3,-3.3,1,-4c1.3,-2.7,23.83,-20.7,67.5,-54c44.2,-33.3,65.8, -50.3,66.5,-51c1.3,-1.3,3,-2,5,-2c4.7,0,8.7,3.3,12,10s173,378,173,378c0.7,0, 35.3,-71,104,-213c68.7,-142,137.5,-285,206.5,-429c69,-144,104.5,-217.7,106.5, -221c5.3,-9.3,12,-14,20,-14H400000v40H845.2724s-225.272,467,-225.272,467 s-235,486,-235,486c-2.7,4.7,-9,7,-19,7c-6,0,-10,-1,-12,-3s-194,-422,-194,-422 s-65,47,-65,47z M834 80H400000v40H845z">

3 i 5 3i\sqrt{5} 3 i 5 <path d="M95,702c-2.7,0,-7.17,-2.7,-13.5,-8c-5.8,-5.3,-9.5, -10,-9.5,-14c0,-2,0.3,-3.3,1,-4c1.3,-2.7,23.83,-20.7,67.5,-54c44.2,-33.3,65.8, -50.3,66.5,-51c1.3,-1.3,3,-2,5,-2c4.7,0,8.7,3.3,12,10s173,378,173,378c0.7,0, 35.3,-71,104,-213c68.7,-142,137.5,-285,206.5,-429c69,-144,104.5,-217.7,106.5, -221c5.3,-9.3,12,-14,20,-14H400000v40H845.2724s-225.272,467,-225.272,467 s-235,486,-235,486c-2.7,4.7,-9,7,-19,7c-6,0,-10,-1,-12,-3s-194,-422,-194,-422 s-65,47,-65,47z M834 80H400000v40H845z">

− 3 i 5 -3i\sqrt{5} − 3 i 5 <path d="M95,702c-2.7,0,-7.17,-2.7,-13.5,-8c-5.8,-5.3,-9.5, -10,-9.5,-14c0,-2,0.3,-3.3,1,-4c1.3,-2.7,23.83,-20.7,67.5,-54c44.2,-33.3,65.8, -50.3,66.5,-51c1.3,-1.3,3,-2,5,-2c4.7,0,8.7,3.3,12,10s173,378,173,378c0.7,0, 35.3,-71,104,-213c68.7,-142,137.5,-285,206.5,-429c69,-144,104.5,-217.7,106.5, -221c5.3,-9.3,12,-14,20,-14H400000v40H845.2724s-225.272,467,-225.272,467 s-235,486,-235,486c-2.7,4.7,-9,7,-19,7c-6,0,-10,-1,-12,-3s-194,-422,-194,-422 s-65,47,-65,47z M834 80H400000v40H845z">

− i 45 -i\sqrt{45} − i 4 5 <path d="M95,702c-2.7,0,-7.17,-2.7,-13.5,-8c-5.8,-5.3,-9.5, -10,-9.5,-14c0,-2,0.3,-3.3,1,-4c1.3,-2.7,23.83,-20.7,67.5,-54c44.2,-33.3,65.8, -50.3,66.5,-51c1.3,-1.3,3,-2,5,-2c4.7,0,8.7,3.3,12,10s173,378,173,378c0.7,0, 35.3,-71,104,-213c68.7,-142,137.5,-285,206.5,-429c69,-144,104.5,-217.7,106.5, -221c5.3,-9.3,12,-14,20,-14H400000v40H845.2724s-225.272,467,-225.272,467 s-235,486,-235,486c-2.7,4.7,-9,7,-19,7c-6,0,-10,-1,-12,-3s-194,-422,-194,-422 s-65,47,-65,47z M834 80H400000v40H845z">

U4L1: Simplifying Imaginary Numbers

Authored by Lindsay Kirk

Mathematics

9th - 12th Grade

CCSS covered

Used 27+ times

AI Actions

Add similar questions

Adjust reading levels

Convert to real-world scenario

Translate activity

More...

Content View

Student View

10 questions

Show all answers

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Simplify
$\sqrt{-4}$

-2i

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

CCSS.HSN.RN.A.2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Simplify
$\sqrt{-23}$

$-\sqrt{23}$

$23i$

$i\sqrt{23}$

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

CCSS.HSN.RN.A.2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Simplify
$\sqrt{-81}$

$-\sqrt{81}$

$-9i$

$9i$

$81i$

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.RN.A.2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Simplify
$\sqrt{-45}$

$3i\sqrt{5}$

$-3i\sqrt{5}$

$-i\sqrt{45}$

$45i$

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

i⁷⁹

$i$

-1

$-i$

Tags

CCSS.HSF-IF.C.8B

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

i¹³

-1

$i$

$-i$

Tags

CCSS.HSF-IF.C.8B

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

i⁷

$i$

$-i$

-1

Tags

CCSS.HSF-IF.C.8B

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

(2i)(3i)

$5i$

-5

$6i$

-6

Tags

CCSS.HSA.APR.A.1

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What is $i^{33}$ ?

$-i$

$i$

-1

Tags

CCSS.HSF-IF.C.8B

10.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What is $i^{21}$ ?

$-i$

$i$

-1

Tags

CCSS.HSF-IF.C.8B

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

13 questions

W.c.1Feb.GCSE.End.of.lesson.Quiz.Probability2

Quiz

•

10th - 11th Grade

10 questions

Generell geometri og omkrets og areal

Quiz

•

7th - 10th Grade

10 questions

REFUERZO EVALUACIÓN 3 ALGEBRA

Quiz

•

9th Grade

10 questions

Limites de fonctions

Quiz

•

12th Grade

13 questions

Evaluating Logarithms Without A Calculator

Quiz

•

11th - 12th Grade

11 questions

Tablas del 6 y 7

Quiz

•

1st - 12th Grade

10 questions

Aturan Sinus dan Cosinus

Quiz

•

10th Grade

10 questions

OPERACIONES CON NÚMEROS REALES

Quiz

•

10th Grade

Popular Resources on Wayground

10 questions

Factors 4th grade

Quiz

•

4th Grade

10 questions

Cinco de Mayo Trivia Questions

Interactive video

•

3rd - 5th Grade

13 questions

Cinco de mayo

Interactive video

•

6th - 8th Grade

20 questions

Math Review

Quiz

•

3rd Grade

20 questions

Main Idea and Details

Quiz

•

5th Grade

20 questions

Context Clues

Quiz

•

6th Grade

20 questions

Inferences

Quiz

•

4th Grade

19 questions

Classifying Quadrilaterals

Quiz

•

3rd Grade

Discover more resources for Mathematics

20 questions

Algebra 1 EOC Review 1

Quiz

•

9th Grade

5 questions

A.EO.1-4 Quizizz Day 1

Quiz

•

9th - 12th Grade

5 questions

A.EO.1-4 Quizizz Day 2

Quiz

•

9th - 12th Grade

5 questions

A.EI.1-3 Quizizz Day 4

Quiz

•

9th - 12th Grade

20 questions

Simple Probability

Quiz

•

10th Grade

21 questions

Factoring Trinomials (a=1)

Quiz

•

9th Grade

15 questions

Algebra 1 EOC Review #1

Quiz

•

9th Grade

5 questions

A.EI.1-3 Quizizz Day 6

Quiz

•

9th - 12th Grade

U4L1: Simplifying Imaginary Numbers

Simplify −4\sqrt{-4}−4​

Simplify −23\sqrt{-23}−23​

Simplify −81\sqrt{-81}−81​

Simplify −45\sqrt{-45}−45​

i79

i13

i7

(2i)(3i)

What is i33i^{33}i33 ?

What is i21i^{21}i21 ?

Access all questions and much more by creating a free account

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Mathematics

Simplify
$\sqrt{-4}$

Simplify
$\sqrt{-23}$

Simplify
$\sqrt{-81}$

Simplify
$\sqrt{-45}$

i⁷⁹

i¹³

i⁷

What is $i^{33}$ ?

What is $i^{21}$ ?