
Imaginary and Complex Numbers Adding Subtracting
Authored by Anthony Clark
Mathematics
12th Grade
CCSS covered

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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The complex conjugate of 4 + 3i is
3 + 4i
3 - 4i
4 - 3i
4 + 3i
Tags
CCSS.HSN.CN.A.3
2.
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
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve for x:
x = {-4, -1}
x = {-1, -4}
x = {2+i, 2-i}
x = {-2+i, -2-i}
Tags
CCSS.HSA-REI.B.4B
CCSS.HSN.CN.C.7
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Simplify
(12 - 4i) + (-2 + 8i)
8 + 104i
10 + 4i
14 - 4i
10 - 12i
Tags
CCSS.HSN.CN.A.2
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Simplify.
-5i
5
5i
-5
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The complex conjugate can be found by...
Changing the sign of both a and b
Changing the sign of a
Changing the sign of b
Switching the a and b values
Tags
CCSS.HSN.CN.A.3
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the result of adding Z1 and Z2, where Z1 = 3 + 2i and Z2 = -4 + i?
-1 + 3i
-1 - 3i
1 + 3i
1 - 3i
Tags
CCSS.HSN.CN.A.2
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