Complex Number Operations and Conjugates
Authored by Anthony Clark
Mathematics
11th Grade
CCSS covered
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16 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Add the complex numbers (3 + 2i) and (5 - 4i)
7 - 6i
2 + 6i
8 - 2i
9 - 2i
Tags
CCSS.HSN.CN.A.2
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Subtract the complex numbers (7 - 3i) and (2 + 5i)
-5 - 8i
10 + 2i
3 - 2i
9 - 7i
Tags
CCSS.HSN.CN.A.2
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Find the product of the complex numbers (6 - 2i) and (3 + 4i)
9 + 24i
26 + 14i
18 - 8i
10 + 2i
Tags
CCSS.HSN.CN.A.2
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Find the conjugate of the complex number (9 - 7i)
9 + 7
9 + 7i
9 - 7i
9 - 7
Tags
CCSS.HSN.CN.A.3
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
(10-6i) - (2+3i)
12 + 3i
8 - 3i
8 - 9i
-9i + 8
Tags
CCSS.HSN.CN.A.2
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the standard form for a complex number?
-8i
a + bi
bi + a
-8i + 8
Tags
CCSS.HSN.CN.A.1
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the simplified form of the above?
7/10 + 11/10 i
13/10 +1/10 i
5/4 - 3/2i
7/10 - 11/10 i
Tags
CCSS.HSN.CN.A.3
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