Polynomials with Complex Zeros
Quiz
•
Mathematics
•
12th Grade
•
Practice Problem
•
Hard
+2
Standards-aligned
Anthony Clark
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20 questions
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1.
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
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Find a polynomial function of degree 3 with zeros 3i and -2.
P(x) = x3+2x2+9x+11
P(x) = x3-2x2+9x+18
P(x) = x3+2x2+9x+18
P(x) = x2-3ix+2x-6i
Tags
CCSS.HSA.APR.B.3
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which equation MOST LIKELY matches the graph?
y = x4 - x3 + 3x2 + 2
y = -x4 + x3 + 5x + 2
y = x3 - 2x2 + 1x + 3
y = -x3 - 2x2 + 1x + 3
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
All imaginary roots comes in pairs.
True
False
Tags
CCSS.HSN.CN.C.9
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How many complex zeros are there?
2
3
1
4
Tags
CCSS.HSN.CN.C.9
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the factor associated with a zero of 4 - 3i
4 - 3i
4 + 3i
( x - 4 - 3i )
( x - 4 + 3i )
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following would be a root with 3i?
3i2
-3i
3i
-3i2
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