Graphing Polynomial Functions — Unit test Answers
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21
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Randy divides (2x4 – 3x3 – 3x2 + 7x – 3) by (x2 – 2x + 1) as shown below. What error does Randy make?
A
He makes a subtraction error.B
He makes an error writing the constant term in the quotient.C
He makes an error choosing the x-term in the quotient.D
He makes an error rewriting the problem in long division.22
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Which expression is equivalent to ?
A
Option
B
Option
C
Option
D
Option
23
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).
C
The graph of the function is positive on (–2, 4).D
The graph of the function is negative on (4, ).
24
Which expression is equivalent to ?
A
Option
B
Option
C
Option
D
Option
25
According to the Rational Root Theorem, which is a factor of the polynomial f(x) = 3x3 – 5x2 – 12x + 20?
A
2x + 1B
2x – 1C
3x + 5D
3x – 5Did you find these answers helpful?
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