CPT Review 4/17/01
10
40. Which of the following is a factor of both expressions?
5
3
2
5
4
2
2
−
+
−
+
x
x
x
x
A)
(
)
5
+
x
B)
(
)
5
−
x
C)
( )
1
−
x
D)
(
)
3
−
x
Solutions
Elementary Algebra Sample Items
1. B
Evaluate the expression
2
2
3
b
a
+
when
a
= -3 and
b
= -4
( ) ( )
2
17
2
8
9
2
4
2
3
3
−
−
+
−
−
+
−
2. B Simplify:
4
6
5
3
−
•
+
29
4
33
4
30
3
4
6
5
3
=
−
−
+
−
•
+
3. C Simplify:
5
2
2
2
6
+
•
−
34
32
2
32
4
6
32
2
2
6
2
2
2
6
5
=
+
+
−
+
•
−
+
•
−