Roots of Complex Numbers

Quiz
•
Mathematics
•
11th Grade
•
Hard
+3
Standards-aligned
Anthony Clark
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
x=4i and x= -4i
x=8i and x = -8i
x= 2.6 and x=-2.6
Tags
CCSS.HSA-REI.B.4B
CCSS.HSN.CN.C.7
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Simplify.
-5i
5
5i
-5
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Simplify the following expression:
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Simplify:
3√-81
-27
3i√3
27i
9i
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
All imaginary roots comes in pairs.
True
False
Tags
CCSS.HSN.CN.C.9
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If a+bi is a root of a polynomial, then _______ is also a root.
i2
a-bi
a+bi
-i2
Tags
CCSS.HSN.CN.C.9
7.
MATCH QUESTION
1 min • 1 pt
Tags
CCSS.HSN.CN.A.1
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