1.
Fifteen minus a number is thirty-two. Find the number.
A.
17
B.
-47
C.
-17
D.
47
Hint
2.
Solve 2
x
= -10.
A.
x
= 5
B.
x
= 8
C.
x
= -12
D.
x
= -5
Hint
3.
Solve the equation 3
b
- 5 = 18.
A.
b
=
B.
b
= 26
C.
b
= 20
D.
b
=
Hint
4.
Solve the equation 2
a
-
b
=
ac
+ 3
b
for
a
.
A.
B.
C.
D.
Hint
5.
Solve
t
– 32 = 96.
A.
t
= 64
B.
t
= -64
C.
t
= 128
D.
t
= -128
Hint
6.
Solve
A.
B.
C.
D.
Hint
7.
Solve
A.
No Solution
B.
y
= 21
C.
All Real Numbers
D.
y
= -21
Hint
8.
Solve –13
b
– 17 – 5
b
= 2
b
– 10 –20
b
– 7.
A.
No Solution
B.
b
= 0
C.
b
= 1
D.
All Real Numbers
Hint
9.
Use the formula
A
=
lw
to find the width of a rectangle whose area is 46.875 square meters and whose length is 7.5 meters.
A.
6.35 meters
B.
6.5 meters
C.
6.25 meters
D.
6.2 meters
Hint
10.
What best describes the equation 10 ÷ 4 = 2?
A.
open
B.
false
C.
none of these
D.
true
Hint
11.
Which is a solution to the equation
w
+ 5 = 12?
A.
17
B.
6
C.
8
D.
7
Hint
12.
Which is the solution to
A.
B.
C.
D.
Hint
13.
The formula to find the area of a trapezoid is
where
are bases and
h
is the height. If the area of a trapezoid is 42,
and
h
=3, what is the length of
A.
28
B.
32
C.
24
D.
4
Hint
14.
The formula to find the area of a trapezoid is
where
are bases and
h
is the height. What is the height of a trapezoid that has an area of
and bases of 8 and 12 inches? Round answer to the nearest tenth.
A.
5.4 in.
B.
12 in.
C.
6.4 in.
D.
52 in.
Hint
15.
Which inequality is shown in the graph?
A.
h
3
B.
h
3
C.
h
3
D.
h
3
Hint
16.
Which inequality is shown in the graph?
A.
p
B.
p
C.
p
D.
p
Hint
17.
Solve -3
x
- 5 > 22.
A.
x
-9
B.
x
9
C.
x
-9
D.
x
9
Hint
18.
Solve -2(
y
- 2) < 2(
y
- 4)
A.
y
3
B.
y
3
C.
y
D.
y
Hint