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Working with Complex Numbers

Authored by Katherine Tarnowski

Mathematics

10th - 12th Grade

CCSS covered

Used 3+ times

Working with Complex Numbers
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20 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is equivalent to

 9\sqrt{-9}  ?

 3-3  

 33  

 9i9i  

 3i3i  

2.

FILL IN THE BLANK QUESTION

30 sec • 1 pt

What is

 100\sqrt{-100}  written as an imaginary number?

3.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Choose the two options below that are imaginary.

14i14i

-16

13\sqrt{-13}

21\sqrt{21}

Tags

CCSS.HSN.CN.A.1

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Simplify

 216-2\sqrt{-16} 

 8i-8i  

 32i-32i  

 8-8  

 88  

Tags

CCSS.HSN.CN.A.1

5.

FILL IN THE BLANK QUESTION

30 sec • 1 pt

Complete the sentence: Quadratics will have 2 complex solutions if the discriminant is _____________.

Tags

CCSS.HSA-REI.B.4B

6.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Select all of the following that are possible solutions for a quadratic equation. There are 3 correct responses.

2 real solutions, 0 complex solutions

1 real solution, 0 complex solutions

1 real solution, 1 complex solution

0 real solutions, 1 complex solution

0 real solutions, 2 complex solutions

Tags

CCSS.HSN.CN.A.1

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What are the solutions to the graph above?

2 real, 0 complex

1 real, 0 complex

0 real, 2 complex

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