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10 Nov 2019

For the polynomial, list each real zero and its multiplicity.Determine whether the graph crosses or touches the x-axis at each x-intercept.

f(x) = 5(x - 5)(x + 4)3

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Sixta Kovacek
Sixta KovacekLv2
5 Sep 2019

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For the polynomial f(x) = (1/5)x(x2 - 5), list each real zero and its multiplicity. Determine whether the graph crosses or touches the x-axis at each x-intercept.
a. 0, multiplicity 1, touches x-axis; √5, multiplicity 1, touches x-axis; -√5, multiplicity 1, touches x-axis
b. 0, multiplicity 1, crosses x-axis; √5, multiplicity 1, crosses x-axis; -√5, multiplicity 1, crosses x-axis
c. √5, multiplicity 1, touches x-axis; -√5, multiplicity 1, touches x-axis
d. 0, multiplicity 1


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Which statement describes the graph of  ?

A. The graph crosses the x-axis at x=-4 and touches the x-axis at x=1.

B. The graph crosses the x-axis at x=-3 and touches the x-axis at x=0.

C. The graph crosses the x-axis at x=-2 and touches the x-axis at x=-1.

D. The graph crosses the x-axis at x=-1 and touches the x-axis at x=-2.  

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