AnswersKY-Algebra II CRUnit Test

Unit Test — Unit test Answers

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A polynomial function has a root of –6 with multiplicity 1, a root of –2 with multiplicity 3, a root of 0 with multiplicity 2, and a root of 4 with multiplicity 3. If the function has a positive leading coefficient and is of odd degree, which statement about the graph is true?

A
The graph of the function is positive on (–6, –2).
B
The graph of the function is negative on (, 0).
Option B
C
The graph of the function is positive on (–2, 4).
D
The graph of the function is negative on (4, ).
Option D
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What are the possible degrees for the polynomial function?

Question illustration
A
degrees of 6 or greater
B
even degrees of 6 or greater
C
degrees of 5 or greater
D
odd degrees of 5 or greater
23

Which of the following is the complete list of roots for the polynomial function ?

Question illustration
A
–3 + 2i, –3 – 2i
B
–2, –4
C
–2, –4, –3 + 2i, –3 – 2i
D
–2, –4, –3 + 2i, 3 + 2i
24

Which statement describes how the graph of the given polynomial would change if the term –3x6 is added?y = 2x6 + 9x5 – 7x3 – 1

A
Both ends of the graph will approach negative infinity.
B
The ends of the graph will extend in opposite directions.
C
Both ends of the graph will approach positive infinity.
D
The ends of the graph will approach zero.
25

Which graph shows the same end behavior as the graph of f(x) = 2x6 – 2x2 – 5?

A
Option
Option A
B
Option
Option B
C
Option
Option C
D
Option
Option D

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