Math 1314 Exam 3 Review
1.True or False:
a)True
b)False
c)True
d)False
e)False
f)True
g)False
h)False
i)False
j)False
2.Find the degree, xintercept(s) and yintercept for each polynomial below.
Find the
multiplicity of each root and state if the graph crosses or touches the xaxis at each root.
a)Degree = 5
y
int:
(
29
0,0
x
int:
(
29
0,0
;
multiplicity: 1; crosses (as a line)
x
int:
(
29
2,0
; multiplicity: 3; crosses (as an Sshape like the graph of
3
x
)
x
int:
(
29
4,0

; multiplicity: 1: crosses (as a line)
b)Degree = 4
y
int:
(
29
0,0
x
int:
(
29
0,0
;
multiplicity: 2; touches (as a Ushape like the graph of
2
x
)
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x
int:
(
29
3,0
; multiplicity: 1; crosses (as a line)
x
int:
(
29
1,0

; multiplicity: 1: crosses (as a line)
c)Degree = 9
y
int:
(
29
78125,0
x
int:
1
,0
2
�
�

�
�
�
�
;
multiplicity: 2; touches (as a Ushape like the graph of
2
x
)
x
int:
(
29
5,0
; multiplicity: 7; crosses (as an Sshape like the graph of
7
x
)
3.Match the graph with the function.
a)A
(
29
(
29
(
29
2
1
5
f
x
x
x
=
+

b)D
(
29
(
29
(
29
2
1
5
h x
x
x
=

+
c)B
(
29
(
29
(
29
2
1
5
g x
x
x
=
+

d)E
(
29
(
29
(
29
3
3
2
4
F
x
x x
x
=

+
4.Match the graph with the function.
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 Spring '08
 Baumgardner
 YIntercept, Quadratic equation, Limit of a function

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