COMPLEX NUMBER PART 1

COMPLEX NUMBER PART 1

University

10 Qs

quiz-placeholder

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COMPLEX NUMBER PART 1

COMPLEX NUMBER PART 1

Assessment

Quiz

Mathematics

University

Practice Problem

Medium

CCSS
HSN.CN.A.1, HSN.CN.A.2, HSN.CN.B.4

Standards-aligned

Created by

CECILIA CHOONG

Used 24+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Simplify.

-5i
5
5i
-5

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

CCSS.HSN.CN.B.4

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Another way to express √-1 is?

1

-1

i

0

Tags

CCSS.HSN.CN.A.1

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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

the real part of the complex number

the imaginary part of the complex number

depends on the sign of the number

the square root of the complex number

Tags

CCSS.HSN.CN.A.1

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does i2 equal?

-1

√-1

1

-√1

Tags

CCSS.HSN.CN.A.1

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the imaginary part of 21-14i?

14

21

-21

-14

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the real part of 13.2i+1?

13.2

-1

1

-13.2

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

  Simplify :36 + 16\ Simplify\ :\sqrt{-36}\ +\ \sqrt{16}  

 4  6i4\ -\ 6i  

 4 + 6i4\ +\ 6i  

 6i  4\sqrt{6}i\ -\ 4  

 6i + 4i-\sqrt{6i}\ +\ 4i  

Tags

CCSS.HSN.CN.A.2

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