Operations with Imaginary Numbers

Operations with Imaginary Numbers

11th Grade

8 Qs

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Operations with Imaginary Numbers

Operations with Imaginary Numbers

Assessment

Quiz

Mathematics

11th Grade

Practice Problem

Medium

CCSS
HSN.CN.A.1, 6.EE.A.2B, HSA.APR.A.1

+3

Standards-aligned

Used 75+ times

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8 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What letter usually represent imaginary number?

a
i
j
x

Tags

CCSS.HSN.CN.A.1

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the "real part" of the complex number (-2+7i)?

2

-2

7i

-7i

Tags

CCSS.6.EE.A.2B

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the "imaginary part" of the complex number (-2+7i)?

2

-2

7i

-7i

Tags

CCSS.6.EE.A.2B

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Simplify
2i - 7i + 10

-5i+10
5i
9i+10
5i+10

Tags

CCSS.7.EE.A.1

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

i(2+5i)

-5+2i
5-2i
7i
2i+5i

Tags

CCSS.HSA.APR.A.1

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

(2+3i)(4-2i)

14+8i
48+16i
12-8i
2-8i

Tags

CCSS.HSA.APR.A.1

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which of the following is equivalent to

(5-3i)+(-6+2i)?

-1-5i

-1-i

11-i

-30-6i

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

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