MA 11100
Exam 3A
Fall 2009
1
1)
Which product(s) is(are) correct?
(
)
(
)
2
2
2
2
2
2
4
3
3
3
I
(2
5)(3
8)
6
40
II
III
(2
3)
4
12
9
x
x
x
x
x
x
x
x
x
x
+
-
=
-
-
-
+
=
-
+
=
+
+
A
I only
B
I, II, and III
C
I and II only
D
I and III only
E
II and III only
2)
Which is a factor of
2
2
6
3
x
x
ax
a
+
+
+
?
3
2
2
3
2
A
x
B
x
a
C
x
D
x
a
E
x
a
-
+
+
-
+
3)
Which trinomial is prime (cannot be factored)?
2
2
2
2
2
2
5
6
2
3
5
50
5
6
4
2
1
A
x
xy
y
B
y
y
C
n
n
D
a
a
E
x
x
+
+
-
-
+
-
-
-
+
+
4)
Factor the following polynomial completely.
4
2
27
12
x
x
-
2
2
2
2
2
3
(3
2)
3
(3
2)(3
2)
3
(3
4)(3
1)
3
(9
1)(
4)
None of the above.
A
x
x
B
x
x
x
C
x
x
x
D
x
x
x
E
-
+
-
+
-
+
-
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MA 11100
Exam 3A
Fall 2009
2
5)
Select the perfect square trinomial.
2
2
2
2
2
16
4
9
40
16
10
25
4
13
9
None are perfect square trinomials.
A
b
b
B
x
x
C
g
gh
h
D
u
u
E
+
+
+
+
-
+
+
+
6)
Solve the following equation.
Which choice describes the solution(s)?
(
4)(
2)
8
y
y
+
-
= -
A
There are two positive solutions.
B
There are two negative solutions.
C
One solution is zero, the other is positive.
D
One solution is zero, the other is negative.
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- Spring '08
- Staff
- Algebra, Elementary arithmetic, Inch, Square number, Lowest common denominator, Tobias, exam 3a
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