Operations with Complex Numbers

Operations with Complex Numbers

Assessment

Interactive Video

Mathematics

8th - 12th Grade

Hard

CCSS
HSN.CN.A.1, HSN.CN.A.2, HSA-REI.B.4B

+1

Standards-aligned

Created by

Aiden Montgomery

FREE Resource

Standards-aligned

CCSS.HSN.CN.A.1
,
CCSS.HSN.CN.A.2
,
CCSS.HSA-REI.B.4B
CCSS.HSN.CN.C.7
,

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the imaginary unit 'i' defined as?

The square root of 1

The square root of 9

The square root of -1

The square root of 0

Tags

CCSS.HSN.CN.A.1

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How can the square root of -9 be simplified using the imaginary unit?

-3i

-3

3i

3

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the simplified form of the square root of -28?

2√7

4i√7

i√28

2i√7

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When solving x^2 = -3, what is the correct form of the solution?

x = ±i/3

x = ±3i

x = ±i√3

x = ±√3

Tags

CCSS.HSA-REI.B.4B

CCSS.HSN.CN.C.7

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the equation x^2 = -24, what is the simplified form of the solution?

x = ±i√24

x = ±4i√6

x = ±2i√6

x = ±2√6

Tags

CCSS.HSA-REI.B.4B

CCSS.HSN.CN.C.7

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the standard form of a complex number?

a - b

a + b

a - bi

a + bi

Tags

CCSS.HSN.CN.A.1

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you add the complex numbers (3 + 2i) and (2 + 3i)?

5 + 5i

1 + 5i

1 + i

5 + i

Tags

CCSS.HSN.CN.A.2

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