COMPLEX NUMBERS 2

COMPLEX NUMBERS 2

9th Grade

15 Qs

quiz-placeholder

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COMPLEX NUMBERS 2

COMPLEX NUMBERS 2

Assessment

Quiz

Mathematics

9th Grade

Practice Problem

Easy

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

Standards-aligned

Created by

Francisco Artuz

Used 30+ times

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15 questions

Show all answers

1.

MULTIPLE SELECT QUESTION

15 mins • 1 pt

 Simplify the number by using the imaginary number i.

 40\sqrt{-40}  

 2i102i\sqrt{10}  

 2i10-2i\sqrt{10}  

 8i58i\sqrt{5}  

 8i5-8i\sqrt{5}  

2.

MULTIPLE SELECT QUESTION

15 mins • 1 pt

Simplify the number by using the imaginary number i.

 63\sqrt{-63}  

 3i7-3i\sqrt{7}  

 9i79i\sqrt{7}  

 9i7-9i\sqrt{7}  

 3i73i\sqrt{7}  

3.

MULTIPLE SELECT QUESTION

15 mins • 1 pt

Write the complex number in the form a+bi.

 5+255+\sqrt{-25}  

 55i5-5i  

 5+5i5+5i  

 5+5i-5+5i  

 5+5i55+5i\sqrt{5}  

Tags

CCSS.HSN.CN.A.1

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Write the complex number in the form a+bi.

 45 13\sqrt{-45}\ -13  

 13+3i5-13+3i\sqrt{5}  

 133i513-3i\sqrt{5}  

 133i5-13-3i\sqrt{5}  

 13+5i3-13+5i\sqrt{3}  

Tags

CCSS.HSN.CN.A.1

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Write the complex number in the form a+bi.

 503-\sqrt{-50}-3  

 35i23-5i\sqrt{2}  

 3+2i5-3+2i\sqrt{5}  

 35i2-3-5i\sqrt{2}  

 3+2i53+2i\sqrt{5}  

Tags

CCSS.HSN.CN.A.1

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Write the complex number in the form a+bi.

 44+7-\sqrt{-44}+7  

 7+2i11-7+2i\sqrt{11}  

 72i117-2i\sqrt{11}  

 711i27-11i\sqrt{2}  

 711i2-7-11i\sqrt{2}  

Tags

CCSS.HSN.CN.A.1

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Find

 i72i^{72}  

1

-1

i

-i

Tags

CCSS.HSN.CN.A.2

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