Complex Conjugates

Complex Conjugates

10th Grade

7 Qs

quiz-placeholder

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Complex Conjugates

Complex Conjugates

Assessment

Quiz

Mathematics

10th Grade

Practice Problem

Hard

CCSS
HSN.CN.A.3, HSN.CN.A.1, HSN.CN.C.8

Standards-aligned

Created by

Barbara White

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7 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the standard form for a complex number?
-8i
a + bi
bi + a
-8i + 8

Tags

CCSS.HSN.CN.A.1

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

Simplify the following expression:

Media Image
Media Image
Media Image
Media Image

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

What is the complex conjugate of  4-3i?
A.  1/(4-3i)
B. 1/(4+3i)
C.  -4 + 3i
D.  4 + 3i

Tags

CCSS.HSN.CN.A.3

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the conjugate of -2i + 7
-2i - 7
2i - 7
-7 + 2i
7 + 2i

Tags

CCSS.HSN.CN.A.3

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the conjugate of i + 4?
i + 4
i - 4
-i-4
-i+4

Tags

CCSS.HSN.CN.A.3

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

(7-5i)(7+5i)
74
75
74-1

Tags

CCSS.HSN.CN.C.8

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image
Simplify
(-10+6i)/17
(-8+15i)/17
(-23+36i)/25
(-21+33i)/34

Tags

CCSS.HSN.CN.A.3