Imaginary Numbers Intro

Imaginary Numbers Intro

9th - 11th Grade

20 Qs

quiz-placeholder

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Imaginary Numbers Intro

Imaginary Numbers Intro

Assessment

Quiz

Mathematics

9th - 11th Grade

Hard

CCSS
HSN.CN.A.2, HSN.CN.C.8, HSN.CN.A.3

Standards-aligned

Created by

Barbara White

FREE Resource

20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Simplify:
(3 + 2i) + (4i + 6)
9 + 6i
7i + 8
9 + 6i2
9 - 6i

Tags

CCSS.HSN.CN.A.2

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Simplify:
(4 + 7i) - (3 + 2i)
1 + 5i
7 + 9i
1 + 9i
-1 + 5i

Tags

CCSS.HSN.CN.A.2

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Simplify:
-3i(4 + 2i)
6 - 12i
6 + 12i
-12i - 6i2
-12i + 6i2

Tags

CCSS.HSN.CN.A.2

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Simplify:
(2 - 3i)(5 + 4i)
22 - 7i
22 + 7i
22 - 7i2
22 + 7i2

Tags

CCSS.HSN.CN.A.2

5.

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

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

(4-5i)(4+5i)
41
-9
41+40i
-9+40i

Tags

CCSS.HSN.CN.C.8

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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

Tags

CCSS.HSN.CN.A.2

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