
Algebra 2 Operations with Imaginary Numbers
Authored by Anthony Clark
Mathematics
11th Grade

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12 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Calculate:
(1 − 2i) + (-4 + 2i)
-3
-3 − 4i
5 − 4i
5
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What does i2 = ?
1
-1
√-1
√1
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
6i (-5 + 10i)
-30i + 60i2
30i − 16i2
11i + 60i2
-11i2+ 16i
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Simplify:
(10+ 15i)-(48 - 30i)
58 - 45i
58 - 15i
-38 - 15i
-38 + 45i
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
i7
i
-i
1
-1
6.
MULTIPLE CHOICE QUESTION
1 min • 12 pts
QUESTION 5
A
B
C
D
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Simplify -√-48
4i√3
-4i√3
i√48
-48i
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