Operations with complex numbers
Authored by Patricia Clark-Dooley
Mathematics
9th - 12th Grade
CCSS covered
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15 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
(3 + 2i) + (4 - 5i)
7 + 7i
1 - 3i
1 - 7i
7 - 3i
Tags
CCSS.HSN.CN.A.2
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
(4 - 2i) - (3 + 6i)
7 - 4i
1 + 4i
1 - 8i
7 - 8i
Tags
CCSS.HSN.CN.A.2
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
What does i2 equal?
-1
√-1
1
-√1
Tags
CCSS.HSN.CN.A.1
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
The expression (2 + 3i)2 is equal to
Tags
CCSS.HSN.CN.C.8
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
(3 + 8i)(-2 - i)
2-19i
23-i
34+5i
23-i
Tags
CCSS.HSN.CN.A.2
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Simplify
(-10+6i)/17
(1+50i)/61
(-23+36i)/25
(-21+33i)/34
Tags
CCSS.HSN.CN.A.3
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
√-36
Tags
CCSS.HSN.CN.A.2
CCSS.HSN.CN.A.1
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