Complex Number Practice
Authored by Kristine Caragayan
Mathematics
9th - 12th Grade
CCSS covered
Used 1+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What is i?
1
-1
√-1
√1
Tags
CCSS.HSN.CN.A.1
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Which of the is a complex number?
2
4i
3 + 5i
All of them
none of them
Tags
CCSS.HSN.CN.A.1
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Simplify: (8 + 2i) + ( -2 - 3i)
10 - i
10 + 5i
6 + 5i
6 - i
Tags
CCSS.HSN.CN.A.2
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Write in standard form: (5 + 3i)(5 - 3i)
34
16
25 - 30i + i2
24 - 30i
Tags
CCSS.HSN.CN.C.8
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
√-36
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the conjugate of 5 - 2i?
5 + 2i
-5 - 2i
5 - 2i
-5 + 2i
Tags
CCSS.HSN.CN.A.3
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
What does i2 = ?
Tags
CCSS.HSN.CN.A.1
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