Unit Test — Unit test Answers
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A polynomial function has a root of –4 with multiplicity 4, a root of –1 with multiplicity 3, and a root of 5 with multiplicity 6. If the function has a positive leading coefficient and is of odd degree, which could be the graph of the function?
A
mc016-1.jpg
B
mc016-2.jpg
C
mc016-3.jpg
D
mc016-4.jpg
22
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What must be a factor of the polynomial function f(x) graphed on the coordinate plane below?
A
x – 2B
x – 1C
x + 1D
x + 223
Consider the graph of f(x) = 2x 3 – 3x 2 – 14x.
A
–2 < x < 0 or 3.5 < x < ꝏB
–2 < x < 0 or 3.5 ≤ x ≤ ꝏC
–2 ≤ x ≤ 0 or 3.5 ≤ x ≤ ꝏD
–2 ≤ x ≤ 0 or 3.5 ≤ x < ꝏ24
What are the possible degrees for the polynomial function?
A
degrees of 4 or greaterB
even degrees of 4 or greaterC
degrees of 5 or greaterD
odd degrees of 5 or greater25
Which statement describes the graph of f(x) = 4x7 + 40x6 + 100x5?
A
The graph crosses the x-axis at x = 0 and touches the x-axis at x = 5.B
The graph touches the x-axis at x = 0 and crosses the x-axis at x = 5.C
The graph crosses the x-axis at x = 0 and touches the x-axis at x = –5.D
The graph touches the x-axis at x = 0 and crosses the x-axis at x = –5.Did you find these answers helpful?
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