1.
Express 7
-3
using positive exponents.
A.
B.
C.
(-7)
3
D.
Hint
2.
Write 0.478 in scientific notation.
A.
4.78 × 10
-1
B.
478 × 10
1
C.
4.78 × 10
-2
D.
4.78 × 10
2
Hint
3.
Which equation is graphed below?
A.
B.
C.
D.
Hint
4.
What is the volume of a shoebox that measures 14 inches by 8 inches by 8 inches?
A.
896 in
3
B.
176 in
3
C.
112 in
3
D.
224 in
3
Hint
5.
Find 4 + (–5).
A.
–9
B.
1
C.
–1
D.
9
Hint
6.
The function
f
(
n
) = 2.65
n
+ 28.9 estimates the height in inches for a boy who is
n
years old. Choose values for
n
and graph the function.
A.
B.
C.
D.
Hint
7.
Find 16 ÷ (–2).
A.
32
B.
–8
C.
8
D.
–32
Hint
8.
Find –36 ÷ (–4).
A.
–4
B.
6
C.
9
D.
–18
Hint
9.
Find the volume of a cylindrical fuel storage tank that has a radius of
9 meters and a height of 14 meters.
A.
3562.6 m
3
B.
5541.8 m
3
C.
890.6 m
3
D.
14,250.3 m
3
Hint
10.
Simplify (3
x
3
)
4
.
A.
3
x
7
B.
81
x
12
C.
12
x
12
D.
27
x
7
Hint
11.
Use the flowchart to backtrack and find the solution.
A.
7
B.
18
C.
8
D.
9
Hint
12.
Janet was filling up a water balloon that had a tiny hole in it. The balloon can hold 12 ounces of water, but the hole leaks water out at 0.5 ounces per minute. How many ounces of water will be in the balloon
m
minutes after it is filled?
A.
12 – 0.5
m
B.
12
m
+ 0.5
m
C.
12
m
– 0.5
m
D.
12 + 0.5
m
Hint
13.
Without building it, predict the number of blocks in Stage 7.
A.
49
B.
81
C.
100
D.
64
Hint
14.
Create a block pattern with
s
2
– 1 blocks.
A.
B.
C.
D.
Hint
15.
Describe this pattern.
A.
square pattern
B.
''add 1'' pattern
C.
doubling pattern
D.
cube pattern
Hint
16.
Describe this pattern.
A.
''add 1'' pattern
B.
square pattern
C.
doubling pattern
D.
cube pattern
Hint
17.
Evaluate –5
2
.
A.
25
B.
10
C.
–10
D.
–25
Hint
18.
The graph of the Celsius-Kelvin temperature conversion formula,
K
=
C
+ 273, is shown below. For which temperatures are the Kelvin and Celsius temperatures both positive?
A.
temperatures less than 150°
C
B.
temperatures greater than 0°
C
C.
temperatures greater than –273
K
D.
temperatures greater than 0
K
Hint
19.
What is the y-intercept of the equation
y
= 5
x
– 3?
A.
(3, 0)
B.
(–3, 0)
C.
(0, 3)
D.
(0, –3)
Hint
20.
Find a rule for the relationship between the number of dots
d
and the stage number
n
.
A.
d
= 2
n
+ 1
B.
n
= 3
d
– 1
C.
n
= 2
d
+ 1
D.
d
= 3
n
– 1
Hint