Multiplying Complex Numbers
Authored by Barbara White
Mathematics
9th Grade
CCSS covered
Used 9+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Multiply
3i(-2 + 4i)
Tags
CCSS.HSN.CN.A.2
2.
MULTIPLE CHOICE QUESTION
5 mins • 12 pts
(-3-i)(6-i)
Tags
CCSS.HSN.CN.A.2
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
(3+8i)(-2-i)
Tags
CCSS.HSN.CN.A.2
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
The expression (2 + 3i)2 is equal to
-5
-5 + 12i
14
13 + 12i
Tags
CCSS.HSN.CN.C.8
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
(7 - 5i)(7 + 5i)
Tags
CCSS.HSN.CN.C.8
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Simplify completely: (-4i)(3i)(4i)
Hint: i3 can be simplified
24
-48i
48i
60
Tags
CCSS.HSN.CN.A.2
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
(5 - 2i) + (-7 + 8i)
-2+6i
12+6i
-35-16i2
-35 -16i
Tags
CCSS.HSN.CN.A.2
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