Concepts in complex numbers

Concepts in complex numbers

9th - 12th Grade

20 Qs

quiz-placeholder

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Concepts in complex numbers

Concepts in complex numbers

Assessment

Quiz

Mathematics

9th - 12th Grade

Hard

CCSS
HSN.CN.A.1

Standards-aligned

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Tags

CCSS.HSN.CN.A.1

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Given the complex number  23+5i-23+5i  , what is the real part and what is the imaginary part

Real: -23 and Imaginary: 5

Real: 23 and Imaginary: -5

Real: 5 and Imaginary: 23

Real: -5 and Imaginary: 23

Tags

CCSS.HSN.CN.A.1

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

5. The expression  502\frac{\sqrt{-50}}{\sqrt{2}}  is equivalent to...

-5i

-5

5i

5

Tags

CCSS.HSN.CN.A.1

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What is standard form?

a+bi

bi+a

ai+b

b+ai

Tags

CCSS.HSN.CN.A.1

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Tags

CCSS.HSN.CN.A.1

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

 144-\sqrt{144}  

12

-12

-72

none of the above (imaginary number) 

Tags

CCSS.HSN.CN.A.1

7.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Select all expressions below that are considered complex numbers. Refer to the table in the notes.

3 + 2i

2

3

-6i

Tags

CCSS.HSN.CN.A.1

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