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Complex Numbers

Authored by Wallace Miller

Mathematics

10th - 11th Grade

CCSS covered

Used 4+ times

Complex Numbers
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20 questions

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1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Media Image

Only choose positive

10
-10
10i
-10i

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

(5-2i) + (-7+8i)

-2+6i
12+6i
-35-16i2
-35 -16i

Tags

CCSS.HSN.CN.A.2

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

(3i)(-2+4i)

Distribute the 3i

-6+12i
-12-6i
-2+7i
12+6i

Tags

CCSS.HSN.CN.A.2

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Multiply:  use FOIL
(4 – 3i)(-7 – 2i)

A.  -23 + 13i
B.  -23 - 29i
C.  -34 + 13i
D.  -34 - 29i

Tags

CCSS.HSN.CN.C.8

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Simplify
(-6 - 2i)2

32
36-4i
36+24i
32+24i

Tags

CCSS.HSN.CN.C.8

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Simplify: 
(10+ 15i)-(48 - 30i)

58 - 45i
58 - 15i
-38 - 15i
-38 + 45i

Tags

CCSS.HSN.CN.A.2

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does i2 = ?

-1
√-1
1
-√1

Tags

CCSS.HSN.CN.A.1

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