CPT Review 4/17/01
3
9.
Solve for
x
:
3
1
6
(
)
x
+ = −
A)
−
2
B)
−
3
C) 1
D)
7
3
10.
Add the polynomials:
b
a
b
a
7
5
3
2
−
+
+
A)
b
a
4
7
−
B)
b
a
4
7
+
C)
ab
3
D)
b
a
10
7
−
11.
Subtract the polynomials:
(
) (
)
2
2
3
11
4
9
2
2
+
−
−
+
−
x
x
x
x
A)
9
2
6
2
+
−
x
x
B)
13
2
6
2
+
−
x
x
C)
9
6
6
2
+
−
x
x
D)
13
6
6
2
+
−
x
x
12.
(
)
(
)
=
+
−
+
4
2
2
2
x
x
x
A)
8
3
+
x
B)
8
8
4
2
3
+
−
+
x
x
x
C)
8
8
4
2
3
+
+
−
x
x
x
D)
8
8
3
+
+
x
x
13. The difference of twice a number and six is four times the number. Find an
equation to solve for the number.
A)
2x – 6 = 4
B)
2x – 6 = 4x
C)
2x + 6 = 4x
D)
2x – 6 = x + 4
14. Expand:
(
)
2
3
2
−
x
A)
9
4
2
−
x
B)
9
4
2
+
x
C)
9
12
2
2
+
−
x
x
D)
9
12
4
2
+
−
x
x