Study Set:
40 questions on Algebra
CPT Review 4/17/01
13
14. D Expand:
(
)
2
3
2
−
x
(
)
(
)(
)
9
12
4
9
6
6
4
3
2
3
2
3
2
2
2
2
+
−
+
−
−
−
−
−
x
x
x
x
x
x
x
x
15. B
Which of the following numbers is the smallest?
Make all of the numbers have common denominators and compare.
12
9
4
3
−
=
−
numerator
smallest
the
is
18
-
since
number
smallest
the
is
This
12
18
2
3
→
−
=
−
12
12
1
−
=
−
12
8
3
2
−
=
−
16. C
Which of the following is the largest?
Solve each absolute value and compare results. Remember absolute value is
always positive.
3
3
2
5
=
=
−
3
3
5
2
=
−
=
−
7
7
5
2
=
−
=
−
−
? This is the largest
6
3
3
3
3
5
2
2
5
=
+
=
−
+
=
−
+
−
17. A
Solve:
(
)
8
5
3
−
≤
−
x
x
(
)
2
7
2
7
2
2
7
2
15
8
15
15
2
8
15
2
8
15
3
8
15
3
8
5
3
≤
≤
≤
+
−
≤
+
−
−
≤
−
−
−
≤
−
−
−
≤
−
−
≤
−
x
x
x
x
x
x
x
x
x
x
x
x
x