Imaginary Complex

Imaginary Complex

11th Grade

20 Qs

quiz-placeholder

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Imaginary Complex

Imaginary Complex

Assessment

Quiz

Mathematics

11th Grade

Practice Problem

Hard

CCSS
HSN.CN.A.2, HSN.CN.A.1, HSN.CN.A.3

Standards-aligned

Created by

Anthony Clark

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Find the sum.
(5-2i) + (-7+8i)

-2+6i

12+6i

-35-16i2

-35 -16i

Tags

CCSS.HSN.CN.A.2

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Multiply:

(1 − 2i)(6 + 5i)

16 − 7i

-16 + 7i

-16 − 7i

16 + 7i

Tags

CCSS.HSN.CN.A.2

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Multiply: 
(4 – 3i)(-7 – 2i)

  -23 + 13i

  -23 - 29i

  -34 + 13i

  -34 - 29i

Tags

CCSS.HSN.CN.A.2

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Rationalize the denominator and simplify completely.

Tags

CCSS.HSN.CN.A.3

5.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Media Image

What letter usually represent imaginary number?

a

i

j

x

e

Answer explanation

Media Image

Tags

CCSS.HSN.CN.A.1

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Q1. What is the value of the following expression: 10 + 20?

10

-10

10i

-10i

Tags

CCSS.HSN.CN.A.1

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What is the value of x if x = 10?

10

-10

10i

-10i

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