What is the significance of complex conjugate pairs in polynomial functions?

Polynomial Functions and Complex Numbers

Interactive Video
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Mathematics
•
9th - 12th Grade
•
Hard

Mia Campbell
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
They ensure the polynomial has real coefficients.
They make the polynomial function discontinuous.
They eliminate the need for real zeros.
They simplify the polynomial to a linear function.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If a polynomial has a zero at 4, what factor must it include?
x - 4
x + 2
x - 2
x + 4
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many products result from multiplying two binomials with three terms each?
12
6
9
3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of clearing parentheses in the binomial factors?
To simplify the multiplication process.
To change the order of multiplication.
To eliminate complex numbers.
To reduce the polynomial degree.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens when you multiply -3i by +3i?
+9i
-9i
+9
-9
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of combining the terms -2x and -2x?
-2x
+4x
0
-4x
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the value of i squared?
0
-1
i
1
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