MA 111
Exam 3A
Spring 2008
1
1)
Which of the following would represent the solutions of
2(
4) 6(
2)
45?
x
x
x


+

I
II
(
,5)
∞
III
{ 
5}
x x
A
I only
B
I and II
C
II and III
D
III only
E
None of these
2)
Solve the inequality below.
Write the solution using setbuilder notation.
14
2
3
<
+
x
{ }
{ }
above
the
of
None
E
4

D
4

C
4
or
3
16

B
4
3
16

A
<

<
<
<

x
x
x
x
x
x
x
x
x
3)
Given the polynomial below; which statement is false?
xy
y
x
x
y
x
7
9
10
3
5
3
2
4
2

+
+

A
There are 5 terms in the polynomial.
B
The degree of the polynomial is 4.
C
The coefficient of the term with degree 3 is a 5.
D
The leading coefficient is a 10.
E
The degree of the term with a coefficient of
7

is 2.
0
5
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View Full DocumentMA 111
Exam 3A
Spring 2008
2
4)
Perform the addition/subtraction of these polynomials.
)
3
1
2
(
)
2
6
3
(
)
8
2
4
(
2
2
2
a
a
a
a
a
a

+


+

+

+
7
9
E
3
5
9
D
5
7
9
C
9
3
5
B
5
7
5
A
2
2
2
2
2










a
a
a
a
a
a
a
a
a
a
5)
Which product(s) is(are) false?
2
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 Fall '08
 Johnnyjames
 exam 3a

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